231008967 has 12 divisors (see below), whose sum is σ = 381348240. Its totient is φ = 132005088.

The previous prime is 231008963. The next prime is 231008969. The reversal of 231008967 is 769800132.

It is not a de Polignac number, because 231008967 - 2² = 231008963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231008963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1833342 + ... + 1833467.

It is an arithmetic number, because the mean of its divisors is an integer number (31779020).

Almost surely, 2^231008967 is an apocalyptic number.

231008967 is a deficient number, since it is larger than the sum of its proper divisors (150339273).

231008967 is a wasteful number, since it uses less digits than its factorization.

231008967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666822 (or 3666819 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 231008967 is about 15198.9791433504. The cubic root of 231008967 is about 613.5871832070.

The spelling of 231008967 in words is "two hundred thirty-one million, eight thousand, nine hundred sixty-seven".