1313032311013 has 4 divisors (see below), whose sum is σ = 1321087724128. Its totient is φ = 1304976897900.

The previous prime is 1313032310959. The next prime is 1313032311029. The reversal of 1313032311013 is 3101132303131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313032311013 - 2²⁵ = 1312998756581 is a prime.

It is a super-2 number, since 2×1313032311013² (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 (1313032341013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027706313 + ... + 4027706638.

It is an arithmetic number, because the mean of its divisors is an integer number (330271931032).

Almost surely, 2^{1313032311013} is an apocalyptic number.

It is an amenable number.

1313032311013 is a deficient number, since it is larger than the sum of its proper divisors (8055413115).

1313032311013 is an equidigital number, since it uses as much as digits as its factorization.

1313032311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055413114.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1313032311013 its reverse (3101132303131), we get a palindrome (4414164614144).

The spelling of 1313032311013 in words is "one trillion, three hundred thirteen billion, thirty-two million, three hundred eleven thousand, thirteen".