1313552116631 has 8 divisors (see below), whose sum is σ = 1318827084960. Its totient is φ = 1308280982688.

The previous prime is 1313552116619. The next prime is 1313552116663. The reversal of 1313552116631 is 1366112553131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313552116631 - 2³⁰ = 1312478374807 is a prime.

It is a super-2 number, since 2×1313552116631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313552116031) 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, 271091 + ... + 1643348.

It is an arithmetic number, because the mean of its divisors is an integer number (164853385620).

Almost surely, 2^{1313552116631} is an apocalyptic number.

1313552116631 is a deficient number, since it is larger than the sum of its proper divisors (5274968329).

1313552116631 is a wasteful number, since it uses less digits than its factorization.

1313552116631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917193.

The product of its digits is 48600, while the sum is 38.

Adding to 1313552116631 its reverse (1366112553131), we get a palindrome (2679664669762).

The spelling of 1313552116631 in words is "one trillion, three hundred thirteen billion, five hundred fifty-two million, one hundred sixteen thousand, six hundred thirty-one".