231271704 has 48 divisors (see below), whose sum is σ = 627447600. Its totient is φ = 76956864.

The previous prime is 231271669. The next prime is 231271709. The reversal of 231271704 is 407172132.

It is a happy number.

231271704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231271709) 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, 44557 + ... + 49475.

It is an arithmetic number, because the mean of its divisors is an integer number (13071825).

Almost surely, 2^231271704 is an apocalyptic number.

231271704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231271704 is an abundant number, since it is smaller than the sum of its proper divisors (396175896).

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

231271704 is a wasteful number, since it uses less digits than its factorization.

231271704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584 (or 5577 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 231271704 is about 15207.6199321261. The cubic root of 231271704 is about 613.8197152720.

The spelling of 231271704 in words is "two hundred thirty-one million, two hundred seventy-one thousand, seven hundred four".