231521000312104 has 16 divisors (see below), whose sum is σ = 434103470035200. Its totient is φ = 115760074969392.

The previous prime is 231521000312089. The next prime is 231521000312111. The reversal of 231521000312104 is 401213000125132.

231521000312104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50828182 + ... + 55195525.

It is an arithmetic number, because the mean of its divisors is an integer number (27131466877200).

Almost surely, 2^{231521000312104} is an apocalyptic number.

It is an amenable number.

231521000312104 is a deficient number, since it is larger than the sum of its proper divisors (202582469723096).

231521000312104 is a wasteful number, since it uses less digits than its factorization.

231521000312104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106296672 (or 106296668 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 231521000312104 its reverse (401213000125132), we get a palindrome (632734000437236).

The spelling of 231521000312104 in words is "two hundred thirty-one trillion, five hundred twenty-one billion, three hundred twelve thousand, one hundred four".