231264907 has 4 divisors (see below), whose sum is σ = 231475680. Its totient is φ = 231054136.

The previous prime is 231264899. The next prime is 231264919. The reversal of 231264907 is 709462132.

231264907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231264907 - 2³ = 231264899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231264997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103732 + ... + 105937.

It is an arithmetic number, because the mean of its divisors is an integer number (57868920).

Almost surely, 2^231264907 is an apocalyptic number.

231264907 is a deficient number, since it is larger than the sum of its proper divisors (210773).

231264907 is a wasteful number, since it uses less digits than its factorization.

231264907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210772.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 231264907 is about 15207.3964569876. The cubic root of 231264907 is about 613.8137018927.

The spelling of 231264907 in words is "two hundred thirty-one million, two hundred sixty-four thousand, nine hundred seven".