3121321131113 has 8 divisors (see below), whose sum is σ = 3234545917440. Its totient is φ = 3008879907840.

The previous prime is 3121321131101. The next prime is 3121321131133. The reversal of 3121321131113 is 3111311231213.

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 3121321131113 - 2²⁰ = 3121320082537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121321131133) 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, 195882653 + ... + 195898586.

It is an arithmetic number, because the mean of its divisors is an integer number (404318239680).

Almost surely, 2^{3121321131113} is an apocalyptic number.

It is an amenable number.

3121321131113 is a deficient number, since it is larger than the sum of its proper divisors (113224786327).

3121321131113 is a wasteful number, since it uses less digits than its factorization.

3121321131113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391781527.

The product of its digits is 324, while the sum is 23.

Adding to 3121321131113 its reverse (3111311231213), we get a palindrome (6232632362326).

The spelling of 3121321131113 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred thirteen".