231264651 has 16 divisors (see below), whose sum is σ = 328053888. Its totient is φ = 144412800.

The previous prime is 231264629. The next prime is 231264653. The reversal of 231264651 is 156462132.

231264651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231264651 - 2¹⁷ = 231133579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231264653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (20503368).

Almost surely, 2^231264651 is an apocalyptic number.

231264651 is a deficient number, since it is larger than the sum of its proper divisors (96789237).

231264651 is a wasteful number, since it uses less digits than its factorization.

231264651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21722.

The product of its digits is 8640, while the sum is 30.

The square root of 231264651 is about 15207.3880400284. The cubic root of 231264651 is about 613.8134754044.

The spelling of 231264651 in words is "two hundred thirty-one million, two hundred sixty-four thousand, six hundred fifty-one".