231531421254014 has 16 divisors (see below), whose sum is σ = 396919486550400. Its totient is φ = 99225632294424.

The previous prime is 231531421253981. The next prime is 231531421254017. The reversal of 231531421254014 is 410452124135132.

231531421254014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231531421254014² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231531421254017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175960424 + ... + 177271355.

It is an arithmetic number, because the mean of its divisors is an integer number (24807467909400).

Almost surely, 2^{231531421254014} is an apocalyptic number.

231531421254014 is a deficient number, since it is larger than the sum of its proper divisors (165388065296386).

231531421254014 is a wasteful number, since it uses less digits than its factorization.

231531421254014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353278607.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 231531421254014 its reverse (410452124135132), we get a palindrome (641983545389146).

The spelling of 231531421254014 in words is "two hundred thirty-one trillion, five hundred thirty-one billion, four hundred twenty-one million, two hundred fifty-four thousand, fourteen".