231406704 has 30 divisors (see below), whose sum is σ = 647617776. Its totient is φ = 77135520.

The previous prime is 231406697. The next prime is 231406717. The reversal of 231406704 is 407604132.

It is a super-2 number, since 2×231406704² = 107098125312287232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803352 + ... + 803639.

Almost surely, 2^231406704 is an apocalyptic number.

231406704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231406704 is an abundant number, since it is smaller than the sum of its proper divisors (416211072).

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

231406704 is a wasteful number, since it uses less digits than its factorization.

231406704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607005 (or 1606996 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 231406704 is about 15212.0578489565. The cubic root of 231406704 is about 613.9391268295.

The spelling of 231406704 in words is "two hundred thirty-one million, four hundred six thousand, seven hundred four".