231071556201 has 16 divisors (see below), whose sum is σ = 312649958400. Its totient is φ = 151785461520.

The previous prime is 231071556193. The next prime is 231071556227. The reversal of 231071556201 is 102655170132.

It is not a de Polignac number, because 231071556201 - 2³ = 231071556193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231071556241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817415 + ... + 1940396.

It is an arithmetic number, because the mean of its divisors is an integer number (19540622400).

Almost surely, 2^231071556201 is an apocalyptic number.

It is an amenable number.

231071556201 is a deficient number, since it is larger than the sum of its proper divisors (81578402199).

231071556201 is a wasteful number, since it uses less digits than its factorization.

231071556201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758116.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 231071556201 in words is "two hundred thirty-one billion, seventy-one million, five hundred fifty-six thousand, two hundred one".