231936936 has 64 divisors (see below), whose sum is σ = 722926080. Its totient is φ = 60242880.

The previous prime is 231936931. The next prime is 231936953. The reversal of 231936936 is 639639132.

231936936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (231936931) 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, 60906 + ... + 64601.

It is an arithmetic number, because the mean of its divisors is an integer number (11295720).

Almost surely, 2^231936936 is an apocalyptic number.

It is an amenable number.

231936936 is an abundant number, since it is smaller than the sum of its proper divisors (490989144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231936936 is a wasteful number, since it uses less digits than its factorization.

231936936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125534 (or 125530 counting only the distinct ones).

The product of its digits is 157464, while the sum is 42.

The square root of 231936936 is about 15229.4758938054. The cubic root of 231936936 is about 614.4076840605.

The spelling of 231936936 in words is "two hundred thirty-one million, nine hundred thirty-six thousand, nine hundred thirty-six".