1313501332031 has 16 divisors (see below), whose sum is σ = 1545008002560. Its totient is φ = 1093433916960.

The previous prime is 1313501332027. The next prime is 1313501332061. The reversal of 1313501332031 is 1302331053131.

It is not a de Polignac number, because 1313501332031 - 2² = 1313501332027 is a prime.

It is a super-2 number, since 2×1313501332031² (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 (1313501332061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19689536 + ... + 19756133.

It is an arithmetic number, because the mean of its divisors is an integer number (96563000160).

Almost surely, 2^{1313501332031} is an apocalyptic number.

1313501332031 is a deficient number, since it is larger than the sum of its proper divisors (231506670529).

1313501332031 is an equidigital number, since it uses as much as digits as its factorization.

1313501332031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39445814.

The product of its (nonzero) digits is 2430, while the sum is 26.

Adding to 1313501332031 its reverse (1302331053131), we get a palindrome (2615832385162).

The spelling of 1313501332031 in words is "one trillion, three hundred thirteen billion, five hundred one million, three hundred thirty-two thousand, thirty-one".