113212212564231 has 192 divisors, whose sum is σ = 195598381934592. Its totient is φ = 62313753600000.

The previous prime is 113212212564133. The next prime is 113212212564281. The reversal of 113212212564231 is 132465212212311.

113212212564231 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 1 + 2 + 2 + 1 + 2 + 5 + 642 + 3 + 1 = 666.

It is not a de Polignac number, because 113212212564231 - 2⁹ = 113212212563719 is a prime.

It is a super-2 number, since 2×113212212564231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113212212564281) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5933233611 + ... + 5933252691.

It is an arithmetic number, because the mean of its divisors is an integer number (1018741572576).

Almost surely, 2^{113212212564231} is an apocalyptic number.

113212212564231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113212212564231 is a deficient number, since it is larger than the sum of its proper divisors (82386169370361).

113212212564231 is a wasteful number, since it uses less digits than its factorization.

113212212564231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19934 (or 19931 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

Adding to 113212212564231 its reverse (132465212212311), we get a palindrome (245677424776542).

The spelling of 113212212564231 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twelve million, five hundred sixty-four thousand, two hundred thirty-one".