231434874136 has 32 divisors (see below), whose sum is σ = 453600576000. Its totient is φ = 110492347680.

The previous prime is 231434874101. The next prime is 231434874149. The reversal of 231434874136 is 631478434132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996336 + ... + 1206463.

It is an arithmetic number, because the mean of its divisors is an integer number (14175018000).

Almost surely, 2^231434874136 is an apocalyptic number.

It is an amenable number.

231434874136 is a deficient number, since it is larger than the sum of its proper divisors (222165701864).

231434874136 is a wasteful number, since it uses less digits than its factorization.

231434874136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203399 (or 2203395 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The spelling of 231434874136 in words is "two hundred thirty-one billion, four hundred thirty-four million, eight hundred seventy-four thousand, one hundred thirty-six".