231231033122112 has 112 divisors (see below), whose sum is σ = 715554123067200. Its totient is φ = 73020326238720.

The previous prime is 231231033122087. The next prime is 231231033122137. The reversal of 231231033122112 is 211221330132132.

231231033122112 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 310 + 3 + 312 + 21 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (231231033122087) and next prime (231231033122137).

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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3521394939 + ... + 3521460602.

Almost surely, 2^{231231033122112} is an apocalyptic number.

It is an amenable number.

231231033122112 is an abundant number, since it is smaller than the sum of its proper divisors (484323089945088).

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

231231033122112 is a wasteful number, since it uses less digits than its factorization.

231231033122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042855581 (or 7042855565 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 231231033122112 its reverse (211221330132132), we get a palindrome (442452363254244).

The spelling of 231231033122112 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, thirty-three million, one hundred twenty-two thousand, one hundred twelve".