31233232112120 has 32 divisors (see below), whose sum is σ = 72541700392320. Its totient is φ = 12090283397760.

The previous prime is 31233232112083. The next prime is 31233232112149. The reversal of 31233232112120 is 2121123233213.

It is a super-4 number, since 4×31233232112120⁴ (a number of 55 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31233232112120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12594043967 + ... + 12594046446.

It is an arithmetic number, because the mean of its divisors is an integer number (2266928137260).

Almost surely, 2^{31233232112120} is an apocalyptic number.

It is an amenable number.

31233232112120 is an abundant number, since it is smaller than the sum of its proper divisors (41308468280200).

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

31233232112120 is a wasteful number, since it uses less digits than its factorization.

31233232112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25188090455 (or 25188090451 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31233232112120 its reverse (2121123233213), we get a palindrome (33354355345333).

The spelling of 31233232112120 in words is "thirty-one trillion, two hundred thirty-three billion, two hundred thirty-two million, one hundred twelve thousand, one hundred twenty".