3131022201313 has 4 divisors (see below), whose sum is σ = 3135376892160. Its totient is φ = 3126667510468.

The previous prime is 3131022201269. The next prime is 3131022201319.

3131022201313 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2^k-3131022201313 is a prime.

It is a super-2 number, since 2×3131022201313² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131022201319) 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, 2177344345 + ... + 2177345782.

It is an arithmetic number, because the mean of its divisors is an integer number (783844223040).

Almost surely, 2^{3131022201313} is an apocalyptic number.

It is an amenable number.

3131022201313 is a deficient number, since it is larger than the sum of its proper divisors (4354690847).

3131022201313 is an equidigital number, since it uses as much as digits as its factorization.

3131022201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354690846.

The product of its (nonzero) digits is 648, while the sum is 22.

Multiplying 3131022201313 by its sum of digits (22), we get a palindrome (68882488428886).

The spelling of 3131022201313 in words is "three trillion, one hundred thirty-one billion, twenty-two million, two hundred one thousand, three hundred thirteen".