20131310102312 has 8 divisors (see below), whose sum is σ = 37746206441850. Its totient is φ = 10065655051152.

The previous prime is 20131310102273. The next prime is 20131310102329. The reversal of 20131310102312 is 21320101313102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19187781508996 + 943528593316 = 4380386^2 + 971354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258206881387 + ... + 1258206881402.

Almost surely, 2^{20131310102312} is an apocalyptic number.

It is an amenable number.

20131310102312 is a deficient number, since it is larger than the sum of its proper divisors (17614896339538).

20131310102312 is a wasteful number, since it uses less digits than its factorization.

20131310102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516413762795 (or 2516413762791 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20131310102312 its reverse (21320101313102), we get a palindrome (41451411415414).

The spelling of 20131310102312 in words is "twenty trillion, one hundred thirty-one billion, three hundred ten million, one hundred two thousand, three hundred twelve".