231253156 has 6 divisors (see below), whose sum is σ = 404693030. Its totient is φ = 115626576.

The previous prime is 231253147. The next prime is 231253181. The reversal of 231253156 is 651352132.

It can be written as a sum of positive squares in only one way, i.e., 223502500 + 7750656 = 14950^2 + 2784^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28906641 + ... + 28906648.

Almost surely, 2^231253156 is an apocalyptic number.

It is an amenable number.

231253156 is a deficient number, since it is larger than the sum of its proper divisors (173439874).

231253156 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 231253156 = (533125621)₉.

231253156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57813293 (or 57813291 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 231253156 is about 15207.0100940323. The cubic root of 231253156 is about 613.8033053780.

The spelling of 231253156 in words is "two hundred thirty-one million, two hundred fifty-three thousand, one hundred fifty-six".