1312013311402 has 16 divisors (see below), whose sum is σ = 1995183070272. Its totient is φ = 646979685120.

The previous prime is 1312013311381. The next prime is 1312013311403. The reversal of 1312013311402 is 2041133102131.

It is not an unprimeable number, because it can be changed into a prime (1312013311403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6753174 + ... + 6944737.

It is an arithmetic number, because the mean of its divisors is an integer number (124698941892).

Almost surely, 2^{1312013311402} is an apocalyptic number.

1312013311402 is a deficient number, since it is larger than the sum of its proper divisors (683169758870).

1312013311402 is a wasteful number, since it uses less digits than its factorization.

1312013311402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13698573.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1312013311402 its reverse (2041133102131), we get a palindrome (3353146413533).

The spelling of 1312013311402 in words is "one trillion, three hundred twelve billion, thirteen million, three hundred eleven thousand, four hundred two".