231125512 has 16 divisors (see below), whose sum is σ = 433577340. Its totient is φ = 115504896.

The previous prime is 231125483. The next prime is 231125533. The reversal of 231125512 is 215521132.

It can be written as a sum of positive squares in 2 ways, for example, as 148206276 + 82919236 = 12174^2 + 9106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13108 + ... + 25180.

Almost surely, 2^231125512 is an apocalyptic number.

It is an amenable number.

231125512 is a deficient number, since it is larger than the sum of its proper divisors (202451828).

231125512 is a wasteful number, since it uses less digits than its factorization.

231125512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472 (or 14468 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 231125512 is about 15202.8126345094. The cubic root of 231125512 is about 613.6903516349.

Adding to 231125512 its reverse (215521132), we get a palindrome (446646644).

The spelling of 231125512 in words is "two hundred thirty-one million, one hundred twenty-five thousand, five hundred twelve".