1313137337331 has 32 divisors (see below), whose sum is σ = 1830290414400. Its totient is φ = 836343889920.

The previous prime is 1313137337329. The next prime is 1313137337411. The reversal of 1313137337331 is 1337337313131.

1313137337331 is a nontrivial binomial coefficient, being equal to C(1620579, 2).

It is not a de Polignac number, because 1313137337331 - 2¹ = 1313137337329 is a prime.

It is a super-2 number, since 2×1313137337331² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1313137337331.

It is not an unprimeable number, because it can be changed into a prime (1313137337131) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 46982821 + ... + 47010761.

It is an arithmetic number, because the mean of its divisors is an integer number (57196575450).

Almost surely, 2^{1313137337331} is an apocalyptic number.

1313137337331 is the 1620578-th triangular number.

1313137337331 is a deficient number, since it is larger than the sum of its proper divisors (517153077069).

1313137337331 is a wasteful number, since it uses less digits than its factorization.

1313137337331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33639.

The product of its digits is 107163, while the sum is 39.

The spelling of 1313137337331 in words is "one trillion, three hundred thirteen billion, one hundred thirty-seven million, three hundred thirty-seven thousand, three hundred thirty-one".