231182142 has 64 divisors (see below), whose sum is σ = 496584000. Its totient is φ = 71608320.

The previous prime is 231182129. The next prime is 231182153. The reversal of 231182142 is 241281132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 959142 + ... + 959382.

It is an arithmetic number, because the mean of its divisors is an integer number (7759125).

Almost surely, 2^231182142 is an apocalyptic number.

231182142 is an abundant number, since it is smaller than the sum of its proper divisors (265401858).

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

231182142 is a wasteful number, since it uses less digits than its factorization.

231182142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its digits is 768, while the sum is 24.

The square root of 231182142 is about 15204.6750047477. The cubic root of 231182142 is about 613.7404693484.

The spelling of 231182142 in words is "two hundred thirty-one million, one hundred eighty-two thousand, one hundred forty-two".