231304400102 has 16 divisors (see below), whose sum is σ = 347190864000. Its totient is φ = 115574143680.

The previous prime is 231304400057. The next prime is 231304400123. The reversal of 231304400102 is 201004403132.

It is a super-2 number, since 2×231304400102² (a number of 24 digits) contains 22 as substring.

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, 33282524 + ... + 33289472.

It is an arithmetic number, because the mean of its divisors is an integer number (21699429000).

Almost surely, 2^231304400102 is an apocalyptic number.

231304400102 is a deficient number, since it is larger than the sum of its proper divisors (115886463898).

231304400102 is a wasteful number, since it uses less digits than its factorization.

231304400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15791.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 231304400102 its reverse (201004403132), we get a palindrome (432308803234).

The spelling of 231304400102 in words is "two hundred thirty-one billion, three hundred four million, four hundred thousand, one hundred two".