231598745073 has 32 divisors (see below), whose sum is σ = 344627942400. Its totient is φ = 153717274368.

The previous prime is 231598745033. The next prime is 231598745107. The reversal of 231598745073 is 370547895132.

231598745073 is a `hidden beast` number, since 2 + 3 + 1 + 59 + 87 + 4 + 507 + 3 = 666.

It is not a de Polignac number, because 231598745073 - 2²⁶ = 231531636209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231598745033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5579311 + ... + 5620667.

It is an arithmetic number, because the mean of its divisors is an integer number (10769623200).

Almost surely, 2^231598745073 is an apocalyptic number.

It is an amenable number.

231598745073 is a deficient number, since it is larger than the sum of its proper divisors (113029197327).

231598745073 is a wasteful number, since it uses less digits than its factorization.

231598745073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42278 (or 42272 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 231598745073 in words is "two hundred thirty-one billion, five hundred ninety-eight million, seven hundred forty-five thousand, seventy-three".