Search a number
-
+
31341053200 = 2452163557863
BaseRepresentation
bin11101001100000100…
…101000010100010000
32222220012201110112011
4131030010220110100
51003141302200300
622221535312304
72156442361642
oct351404502420
988805643464
1031341053200
1112323231166
1260a807b694
132c561750c2
1417345b4892
15c36727eba
hex74c128510

31341053200 has 120 divisors (see below), whose sum is σ = 75982779648. Its totient is φ = 12422730240.

The previous prime is 31341053179. The next prime is 31341053213. The reversal of 31341053200 is 235014313.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36315969 + ... + 36316831.

Almost surely, 231341053200 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 31341053200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37991389824).

31341053200 is an abundant number, since it is smaller than the sum of its proper divisors (44641726448).

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

31341053200 is a wasteful number, since it uses less digits than its factorization.

31341053200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 31341053200 its reverse (235014313), we get a palindrome (31576067513).

The spelling of 31341053200 in words is "thirty-one billion, three hundred forty-one million, fifty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 163 200 326 400 557 652 815 863 1114 1304 1630 1726 2228 2608 2785 3260 3452 4075 4315 4456 5570 6520 6904 8150 8630 8912 11140 13040 13808 13925 16300 17260 21575 22280 27850 32600 34520 43150 44560 55700 65200 69040 86300 90791 111400 140669 172600 181582 222800 281338 345200 363164 453955 480691 562676 703345 726328 907910 961382 1125352 1406690 1452656 1815820 1922764 2250704 2269775 2403455 2813380 3516725 3631640 3845528 4539550 4806910 5626760 7033450 7263280 7691056 9079100 9613820 11253520 12017275 14066900 18158200 19227640 24034550 28133800 36316400 38455280 48069100 56267600 78352633 96138200 156705266 192276400 313410532 391763165 626821064 783526330 1253642128 1567052660 1958815825 3134105320 3917631650 6268210640 7835263300 15670526600 31341053200