231308706 has 16 divisors (see below), whose sum is σ = 470202048. Its totient is φ = 75838800.

The previous prime is 231308689. The next prime is 231308711. The reversal of 231308706 is 607803132.

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, 315630 + ... + 316361.

It is an arithmetic number, because the mean of its divisors is an integer number (29387628).

Almost surely, 2^231308706 is an apocalyptic number.

231308706 is an abundant number, since it is smaller than the sum of its proper divisors (238893342).

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

231308706 is a wasteful number, since it uses less digits than its factorization.

231308706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632057.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 231308706 is about 15208.8364446463. The cubic root of 231308706 is about 613.8524492750.

The spelling of 231308706 in words is "two hundred thirty-one million, three hundred eight thousand, seven hundred six".