231425502136 has 32 divisors (see below), whose sum is σ = 434685128400. Its totient is φ = 115509576960.

The previous prime is 231425502101. The next prime is 231425502181. The reversal of 231425502136 is 631205524132.

231425502136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35226660 + ... + 35233228.

Almost surely, 2^231425502136 is an apocalyptic number.

It is an amenable number.

231425502136 is a deficient number, since it is larger than the sum of its proper divisors (203259626264).

231425502136 is a wasteful number, since it uses less digits than its factorization.

231425502136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13639 (or 13635 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 231425502136 in words is "two hundred thirty-one billion, four hundred twenty-five million, five hundred two thousand, one hundred thirty-six".