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31013223041340 = 22335535511072471
BaseRepresentation
bin1110000110100110101000…
…01001001000100100111100
311001210211112211121021122000
413003103110021020210330
513031110040044310330
6145543140013222300
76350426402214201
oct703232411104474
9131724484537560
1031013223041340
1199776a7991691
12358a6a1791990
13143c6c40705b7
14793095a1bca8
1538bad234d560
hex1c34d424893c

31013223041340 has 96 divisors (see below), whose sum is σ = 96487474513920. Its totient is φ = 8270030664000.

The previous prime is 31013223041287. The next prime is 31013223041357. The reversal of 31013223041340 is 4314032231013.

It is a happy number.

31013223041340 is a `hidden beast` number, since 3 + 1 + 0 + 1 + 322 + 304 + 1 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28381305 + ... + 29453775.

It is an arithmetic number, because the mean of its divisors is an integer number (1005077859520).

Almost surely, 231013223041340 is an apocalyptic number.

31013223041340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31013223041340 is an abundant number, since it is smaller than the sum of its proper divisors (65474251472580).

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

31013223041340 is a wasteful number, since it uses less digits than its factorization.

31013223041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126040 (or 1126032 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 31013223041340 its reverse (4314032231013), we get a palindrome (35327255272353).

The spelling of 31013223041340 in words is "thirty-one trillion, thirteen billion, two hundred twenty-three million, forty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 53551 107102 160653 214204 267755 321306 481959 535510 642612 803265 963918 1071020 1072471 1445877 1606530 1927836 2144942 2409795 2891754 3213060 3217413 4289884 4819590 5362355 5783508 6434826 7229385 9639180 9652239 10724710 12869652 14458770 16087065 19304478 21449420 28917540 28956717 32174130 38608956 48261195 57913434 64348260 96522390 115826868 144783585 193044780 289567170 579134340 57431894521 114863789042 172295683563 229727578084 287159472605 344591367126 516887050689 574318945210 689182734252 861478417815 1033774101378 1148637890420 1550661152067 1722956835630 2067548202756 2584435253445 3101322304134 3445913671260 5168870506890 6202644608268 7753305760335 10337741013780 15506611520670 31013223041340