3121022311311 has 32 divisors (see below), whose sum is σ = 4182963724800. Its totient is φ = 2069915481216.

The previous prime is 3121022311307. The next prime is 3121022311483. The reversal of 3121022311311 is 1131132201213.

It is not a de Polignac number, because 3121022311311 - 2² = 3121022311307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121022311711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324149145 + ... + 1324151501.

It is an arithmetic number, because the mean of its divisors is an integer number (130717616400).

Almost surely, 2^{3121022311311} is an apocalyptic number.

3121022311311 is a deficient number, since it is larger than the sum of its proper divisors (1061941413489).

3121022311311 is a wasteful number, since it uses less digits than its factorization.

3121022311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3121022311311 its reverse (1131132201213), we get a palindrome (4252154512524).

The spelling of 3121022311311 in words is "three trillion, one hundred twenty-one billion, twenty-two million, three hundred eleven thousand, three hundred eleven".