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30131111200232 = 23717223141929717
BaseRepresentation
bin1101101100111011100100…
…01011100000010111101000
310221200111122221112211021002
412312131302023200113220
512422132003431401412
6144030012535134132
76226621011245330
oct666356213402750
9127614587484232
1030131111200232
119667594835389
123467740214348
1313a74755b66c3
147624d426c0c0
15373ba5486dc2
hex1b67722e05e8

30131111200232 has 64 divisors (see below), whose sum is σ = 68671274757120. Its totient is φ = 12099224429568.

The previous prime is 30131111200217. The next prime is 30131111200237. The reversal of 30131111200232 is 23200211113103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30131111200237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70752563 + ... + 71177154.

It is an arithmetic number, because the mean of its divisors is an integer number (1072988668080).

Almost surely, 230131111200232 is an apocalyptic number.

It is an amenable number.

30131111200232 is an abundant number, since it is smaller than the sum of its proper divisors (38540163556888).

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

30131111200232 is a wasteful number, since it uses less digits than its factorization.

30131111200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141929970 (or 141929966 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30131111200232 its reverse (23200211113103), we get a palindrome (53331322313335).

The spelling of 30131111200232 in words is "thirty trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 119 136 223 238 446 476 892 952 1561 1784 3122 3791 6244 7582 12488 15164 26537 30328 53074 106148 212296 141929717 283859434 567718868 993508019 1135437736 1987016038 2412805189 3974032076 4825610378 7948064152 9651220756 16889636323 19302441512 31650326891 33779272646 63300653782 67558545292 126601307564 135117090584 221552288237 253202615128 443104576474 538055557147 886209152948 1076111114294 1772418305896 2152222228588 3766388900029 4304444457176 7532777800058 15065555600116 30131111200232