231776264 has 8 divisors (see below), whose sum is σ = 434580510. Its totient is φ = 115888128.

The previous prime is 231776263. The next prime is 231776297. The reversal of 231776264 is 462677132.

It can be written as a sum of positive squares in only one way, i.e., 219928900 + 11847364 = 14830^2 + 3442^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (231776263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14486009 + ... + 14486024.

Almost surely, 2^231776264 is an apocalyptic number.

It is an amenable number.

231776264 is a deficient number, since it is larger than the sum of its proper divisors (202804246).

231776264 is a wasteful number, since it uses less digits than its factorization.

231776264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28972039 (or 28972035 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 231776264 is about 15224.1999461384. The cubic root of 231776264 is about 614.2657763546.

The spelling of 231776264 in words is "two hundred thirty-one million, seven hundred seventy-six thousand, two hundred sixty-four".