231608052 has 48 divisors (see below), whose sum is σ = 646658880. Its totient is φ = 71263584.

The previous prime is 231608021. The next prime is 231608053. The reversal of 231608052 is 250806132.

231608052 is a `hidden beast` number, since 2 + 3 + 1 + 608 + 0 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231608053) 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, 81078 + ... + 83885.

It is an arithmetic number, because the mean of its divisors is an integer number (13472060).

Almost surely, 2^231608052 is an apocalyptic number.

It is an amenable number.

231608052 is an abundant number, since it is smaller than the sum of its proper divisors (415050828).

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

231608052 is a wasteful number, since it uses less digits than its factorization.

231608052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164989 (or 164981 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 231608052 is about 15218.6744495045. The cubic root of 231608052 is about 614.1171389293.

It can be divided in two parts, 2316080 and 52, that added together give a palindrome (2316132).

The spelling of 231608052 in words is "two hundred thirty-one million, six hundred eight thousand, fifty-two".