3121310131213 has 8 divisors (see below), whose sum is σ = 3125941708032. Its totient is φ = 3116680862496.

The previous prime is 3121310131211. The next prime is 3121310131297.

3121310131213 is nontrivially palindromic in base 10.

3121310131213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3121310131213 - 2¹ = 3121310131211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121310131211) 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, 2139106 + ... + 3289132.

It is an arithmetic number, because the mean of its divisors is an integer number (390742713504).

Almost surely, 2^{3121310131213} is an apocalyptic number.

It is an amenable number.

3121310131213 is a deficient number, since it is larger than the sum of its proper divisors (4631576819).

3121310131213 is a wasteful number, since it uses less digits than its factorization.

3121310131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154051.

The product of its (nonzero) digits is 324, while the sum is 22.

Multiplying 3121310131213 by its sum of digits (22), we get a palindrome (68668822886686).

It can be divided in two parts, 3121310 and 131213, that added together give a palindrome (3252523).

The spelling of 3121310131213 in words is "three trillion, one hundred twenty-one billion, three hundred ten million, one hundred thirty-one thousand, two hundred thirteen".