31233013232112 has 100 divisors (see below), whose sum is σ = 90417083404296. Its totient is φ = 10408737686400.

The previous prime is 31233013232107. The next prime is 31233013232137. The reversal of 31233013232112 is 21123231033213.

31233013232112 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 301 + 32 + 321 + 1 + 2 = 666.

It is a super-2 number, since 2×31233013232112² (a number of 28 digits) contains 22 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3336487 + ... + 8578937.

Almost surely, 2^{31233013232112} is an apocalyptic number.

It is an amenable number.

31233013232112 is an abundant number, since it is smaller than the sum of its proper divisors (59184070172184).

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

31233013232112 is a wasteful number, since it uses less digits than its factorization.

31233013232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247068 (or 5247053 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31233013232112 its reverse (21123231033213), we get a palindrome (52356244265325).

The spelling of 31233013232112 in words is "thirty-one trillion, two hundred thirty-three billion, thirteen million, two hundred thirty-two thousand, one hundred twelve".