231401588 has 12 divisors (see below), whose sum is σ = 441766752. Its totient is φ = 105182520.

The previous prime is 231401587. The next prime is 231401591. The reversal of 231401588 is 885104132.

231401588 is digitally balanced in base 3, 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 (231401587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2629520 + ... + 2629607.

It is an arithmetic number, because the mean of its divisors is an integer number (36813896).

Almost surely, 2^231401588 is an apocalyptic number.

It is an amenable number.

231401588 is a deficient number, since it is larger than the sum of its proper divisors (210365164).

231401588 is a wasteful number, since it uses less digits than its factorization.

231401588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259142 (or 5259140 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 231401588 is about 15211.8896919482. The cubic root of 231401588 is about 613.9346024205.

The spelling of 231401588 in words is "two hundred thirty-one million, four hundred one thousand, five hundred eighty-eight".