1313201023031 has 4 divisors (see below), whose sum is σ = 1313235403200. Its totient is φ = 1313166642864.

The previous prime is 1313201022971. The next prime is 1313201023033. The reversal of 1313201023031 is 1303201023131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1313201023031 - 2²⁶ = 1313133914167 is a prime.

It is a super-3 number, since 3×1313201023031³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1313201022994 and 1313201023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313201023033) 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, 17132726 + ... + 17209203.

It is an arithmetic number, because the mean of its divisors is an integer number (328308850800).

Almost surely, 2^{1313201023031} is an apocalyptic number.

1313201023031 is a deficient number, since it is larger than the sum of its proper divisors (34380169).

1313201023031 is an equidigital number, since it uses as much as digits as its factorization.

1313201023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34380168.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1313201023031 its reverse (1303201023131), we get a palindrome (2616402046162).

The spelling of 1313201023031 in words is "one trillion, three hundred thirteen billion, two hundred one million, twenty-three thousand, thirty-one".