231376392256 has 21 divisors (see below), whose sum is σ = 459145164639. Its totient is φ = 115686272064.

The previous prime is 231376392209. The next prime is 231376392277. The reversal of 231376392256 is 652293673132.

The square root of 231376392256 is 481016.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3818065 + ... + 3878191.

It is an arithmetic number, because the mean of its divisors is an integer number (21864055459).

Almost surely, 2^231376392256 is an apocalyptic number.

231376392256 is the 481016-th square number.

It is an amenable number.

231376392256 is a deficient number, since it is larger than the sum of its proper divisors (227768772383).

231376392256 is an frugal number, since it uses more digits than its factorization.

231376392256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120266 (or 60129 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 49.

Multiplying 231376392256 by its sum of digits (49), we get a square (11337443220544 = 3367112²).

The spelling of 231376392256 in words is "two hundred thirty-one billion, three hundred seventy-six million, three hundred ninety-two thousand, two hundred fifty-six".