231475937 has 16 divisors (see below), whose sum is σ = 289263744. Its totient is φ = 179952000.

The previous prime is 231475847. The next prime is 231475957. The reversal of 231475937 is 739574132.

It is a cyclic number.

It is not a de Polignac number, because 231475937 - 2⁸ = 231475681 is a prime.

It is a super-2 number, since 2×231475937² = 107162218820055938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231475894 and 231475903.

It is not an unprimeable number, because it can be changed into a prime (231475957) 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 15 ways as a sum of consecutive naturals, for example, 32237 + ... + 38757.

It is an arithmetic number, because the mean of its divisors is an integer number (18078984).

Almost surely, 2^231475937 is an apocalyptic number.

It is an amenable number.

231475937 is a deficient number, since it is larger than the sum of its proper divisors (57787807).

231475937 is a wasteful number, since it uses less digits than its factorization.

231475937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000.

The product of its digits is 158760, while the sum is 41.

The square root of 231475937 is about 15214.3332749089. Note that the first 3 decimals coincide. The cubic root of 231475937 is about 614.0003474836. Note that the first 3 decimals are identical.

The spelling of 231475937 in words is "two hundred thirty-one million, four hundred seventy-five thousand, nine hundred thirty-seven".