231272624 has 60 divisors (see below), whose sum is σ = 521575992. Its totient is φ = 98926080.

The previous prime is 231272621. The next prime is 231272627. The reversal of 231272624 is 426272132.

It is an interprime number because it is at equal distance from previous prime (231272621) and next prime (231272627).

It is a super-2 number, since 2×231272624² = 106974053223690752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231272621) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 29399 + ... + 36425.

Almost surely, 2^231272624 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 231272624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260787996).

231272624 is an abundant number, since it is smaller than the sum of its proper divisors (290303368).

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

231272624 is a wasteful number, since it uses less digits than its factorization.

231272624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074 (or 7057 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 231272624 is about 15207.6501800903. The cubic root of 231272624 is about 613.8205291969.

The spelling of 231272624 in words is "two hundred thirty-one million, two hundred seventy-two thousand, six hundred twenty-four".