231353056 has 48 divisors (see below), whose sum is σ = 506299248. Its totient is φ = 103168000.

The previous prime is 231353009. The next prime is 231353069. The reversal of 231353056 is 650353132.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12456 + ... + 24856.

It is an arithmetic number, because the mean of its divisors is an integer number (10547901).

Almost surely, 2^231353056 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 231353056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253149624).

231353056 is an abundant number, since it is smaller than the sum of its proper divisors (274946192).

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

231353056 is a wasteful number, since it uses less digits than its factorization.

231353056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12475 (or 12467 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 231353056 is about 15210.2944087220. The cubic root of 231353056 is about 613.8916791233.

The spelling of 231353056 in words is "two hundred thirty-one million, three hundred fifty-three thousand, fifty-six".