231065730372 has 24 divisors (see below), whose sum is σ = 539170442496. Its totient is φ = 77019471328.

The previous prime is 231065730319. The next prime is 231065730383. The reversal of 231065730372 is 273037560132.

It is a self number, because there is not a number n which added to its sum of digits gives 231065730372.

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, 112813 + ... + 689099.

It is an arithmetic number, because the mean of its divisors is an integer number (22465435104).

Almost surely, 2^231065730372 is an apocalyptic number.

It is an amenable number.

231065730372 is an abundant number, since it is smaller than the sum of its proper divisors (308104712124).

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

231065730372 is a wasteful number, since it uses less digits than its factorization.

231065730372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609707 (or 609705 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 39.

The spelling of 231065730372 in words is "two hundred thirty-one billion, sixty-five million, seven hundred thirty thousand, three hundred seventy-two".