231278870 has 8 divisors (see below), whose sum is σ = 416301984. Its totient is φ = 92511544.

The previous prime is 231278867. The next prime is 231278881. The reversal of 231278870 is 78872132.

231278870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11563934 + ... + 11563953.

It is an arithmetic number, because the mean of its divisors is an integer number (52037748).

Almost surely, 2^231278870 is an apocalyptic number.

231278870 is a deficient number, since it is larger than the sum of its proper divisors (185023114).

231278870 is a wasteful number, since it uses less digits than its factorization.

231278870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23127894.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 231278870 is about 15207.8555358736. The cubic root of 231278870 is about 613.8260549821.

The spelling of 231278870 in words is "two hundred thirty-one million, two hundred seventy-eight thousand, eight hundred seventy".