231312313102 has 16 divisors (see below), whose sum is σ = 374007936960. Its totient is φ = 106659647712.

The previous prime is 231312313087. The next prime is 231312313129. The reversal of 231312313102 is 201313213132.

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, 4133398 + ... + 4188985.

It is an arithmetic number, because the mean of its divisors is an integer number (23375496060).

Almost surely, 2^231312313102 is an apocalyptic number.

231312313102 is a deficient number, since it is larger than the sum of its proper divisors (142695623858).

231312313102 is a wasteful number, since it uses less digits than its factorization.

231312313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323467.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 231312313102 its reverse (201313213132), we get a palindrome (432625526234).

The spelling of 231312313102 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred thirteen thousand, one hundred two".