231553088 has 56 divisors (see below), whose sum is σ = 497555520. Its totient is φ = 106283520.

The previous prime is 231553079. The next prime is 231553097. The reversal of 231553088 is 880355132.

It is an interprime number because it is at equal distance from previous prime (231553079) and next prime (231553097).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174893 + ... + 176211.

It is an arithmetic number, because the mean of its divisors is an integer number (8884920).

Almost surely, 2^231553088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231553088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248777760).

231553088 is an abundant number, since it is smaller than the sum of its proper divisors (266002432).

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

231553088 is a wasteful number, since it uses less digits than its factorization.

231553088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 231553088 is about 15216.8685346230. The cubic root of 231553088 is about 614.0685554069.

The spelling of 231553088 in words is "two hundred thirty-one million, five hundred fifty-three thousand, eighty-eight".