231874671 has 32 divisors (see below), whose sum is σ = 366405120. Its totient is φ = 127668096.

The previous prime is 231874667. The next prime is 231874723. The reversal of 231874671 is 176478132.

231874671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231874671 - 2² = 231874667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231874871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81745 + ... + 84533.

It is an arithmetic number, because the mean of its divisors is an integer number (11450160).

Almost surely, 2^231874671 is an apocalyptic number.

231874671 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231874671 is a deficient number, since it is larger than the sum of its proper divisors (134530449).

231874671 is a wasteful number, since it uses less digits than its factorization.

231874671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943.

The product of its digits is 56448, while the sum is 39.

The square root of 231874671 is about 15227.4315299725. The cubic root of 231874671 is about 614.3526985416.

The spelling of 231874671 in words is "two hundred thirty-one million, eight hundred seventy-four thousand, six hundred seventy-one".