1312132113331 has 32 divisors (see below), whose sum is σ = 1438107003200. Its totient is φ = 1189839974400.

The previous prime is 1312132113323. The next prime is 1312132113353. The reversal of 1312132113331 is 1333112312131.

It is a cyclic number.

It is not a de Polignac number, because 1312132113331 - 2³ = 1312132113323 is a prime.

It is a super-2 number, since 2×1312132113331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312132113296 and 1312132113305.

It is not an unprimeable number, because it can be changed into a prime (1312132113301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728556631 + ... + 728558431.

It is an arithmetic number, because the mean of its divisors is an integer number (44940843850).

Almost surely, 2^{1312132113331} is an apocalyptic number.

1312132113331 is a deficient number, since it is larger than the sum of its proper divisors (125974889869).

1312132113331 is a wasteful number, since it uses less digits than its factorization.

1312132113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3719.

The product of its digits is 972, while the sum is 25.

Adding to 1312132113331 its reverse (1333112312131), we get a palindrome (2645244425462).

The spelling of 1312132113331 in words is "one trillion, three hundred twelve billion, one hundred thirty-two million, one hundred thirteen thousand, three hundred thirty-one".