231956806 has 16 divisors (see below), whose sum is σ = 371059920. Its totient is φ = 108368640.

The previous prime is 231956783. The next prime is 231956827. The reversal of 231956806 is 608659132.

231956806 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19815 + ... + 29266.

It is an arithmetic number, because the mean of its divisors is an integer number (23191245).

Almost surely, 2^231956806 is an apocalyptic number.

231956806 is a deficient number, since it is larger than the sum of its proper divisors (139103114).

231956806 is a wasteful number, since it uses less digits than its factorization.

231956806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49239.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 231956806 is about 15230.1282332093. The cubic root of 231956806 is about 614.4252289620.

The spelling of 231956806 in words is "two hundred thirty-one million, nine hundred fifty-six thousand, eight hundred six".