231013712 has 10 divisors (see below), whose sum is σ = 447589098. Its totient is φ = 115506848.

The previous prime is 231013687. The next prime is 231013747. The reversal of 231013712 is 217310132.

It can be written as a sum of positive squares in only one way, i.e., 219750976 + 11262736 = 14824^2 + 3356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7219163 + ... + 7219194.

Almost surely, 2^231013712 is an apocalyptic number.

It is an amenable number.

231013712 is a deficient number, since it is larger than the sum of its proper divisors (216575386).

231013712 is a wasteful number, since it uses less digits than its factorization.

231013712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14438365 (or 14438359 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 231013712 is about 15199.1352385588. The cubic root of 231013712 is about 613.5913842723.

Adding to 231013712 its reverse (217310132), we get a palindrome (448323844).

The spelling of 231013712 in words is "two hundred thirty-one million, thirteen thousand, seven hundred twelve".