231038976 has 224 divisors, whose sum is σ = 754928640. Its totient is φ = 61341696.

The previous prime is 231038963. The next prime is 231038987. The reversal of 231038976 is 679830132.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×231038976² = 106758016862257152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2924505 + ... + 2924583.

Almost surely, 2^231038976 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 231038976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377464320).

231038976 is an abundant number, since it is smaller than the sum of its proper divisors (523889664).

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

231038976 is an equidigital number, since it uses as much as digits as its factorization.

231038976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 231038976 is about 15199.9663157522. The cubic root of 231038976 is about 613.6137512096.

The spelling of 231038976 in words is "two hundred thirty-one million, thirty-eight thousand, nine hundred seventy-six".