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31341010400 = 255279757697
BaseRepresentation
bin11101001100000100…
…011101110111100000
32222220012122021210222
4131030010131313200
51003141244313100
622221534342212
72156442123110
oct351404356740
988805567728
1031341010400
1112323201a97
1260a805a968
132c5615b78b
1417345a3040
15c3671a485
hex74c11dde0

31341010400 has 144 divisors (see below), whose sum is σ = 88344408096. Its totient is φ = 10634526720.

The previous prime is 31341010391. The next prime is 31341010403. The reversal of 31341010400 is 401014313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31341010403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514352 + ... + 572048.

It is an arithmetic number, because the mean of its divisors is an integer number (613502834).

Almost surely, 231341010400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31341010400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44172204048).

31341010400 is an abundant number, since it is smaller than the sum of its proper divisors (57003397696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31341010400 is a wasteful number, since it uses less digits than its factorization.

31341010400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57821 (or 57808 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31341010400 its reverse (401014313), we get a palindrome (31742024713).

The spelling of 31341010400 in words is "thirty-one billion, three hundred forty-one million, ten thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 97 100 112 140 160 175 194 200 224 280 350 388 400 485 560 679 700 776 800 970 1120 1358 1400 1552 1940 2425 2716 2800 3104 3395 3880 4850 5432 5600 6790 7760 9700 10864 13580 15520 16975 19400 21728 27160 33950 38800 54320 57697 67900 77600 108640 115394 135800 230788 271600 288485 403879 461576 543200 576970 807758 923152 1153940 1442425 1615516 1846304 2019395 2307880 2884850 3231032 4038790 4615760 5596609 5769700 6462064 8077580 9231520 10096975 11193218 11539400 12924128 16155160 20193950 22386436 23078800 27983045 32310320 39176263 40387900 44772872 46157600 55966090 64620640 78352526 80775800 89545744 111932180 139915225 156705052 161551600 179091488 195881315 223864360 279830450 313410104 323103200 391762630 447728720 559660900 626820208 783525260 895457440 979406575 1119321800 1253640416 1567050520 1958813150 2238643600 3134101040 3917626300 4477287200 6268202080 7835252600 15670505200 31341010400