231612654252 has 48 divisors (see below), whose sum is σ = 621567752960. Its totient is φ = 65753543232.

The previous prime is 231612654151. The next prime is 231612654307. The reversal of 231612654252 is 252456216132.

231612654252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 231612654252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8768002 + ... + 8794377.

Almost surely, 2^231612654252 is an apocalyptic number.

It is an amenable number.

231612654252 is an abundant number, since it is smaller than the sum of its proper divisors (389955098708).

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

231612654252 is a wasteful number, since it uses less digits than its factorization.

231612654252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562550 (or 17562548 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The spelling of 231612654252 in words is "two hundred thirty-one billion, six hundred twelve million, six hundred fifty-four thousand, two hundred fifty-two".