3122331131 has 2 divisors, whose sum is σ = 3122331132. Its totient is φ = 3122331130.

The previous prime is 3122331127. The next prime is 3122331193. The reversal of 3122331131 is 1311332213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3122331131 - 2² = 3122331127 is a prime.

It is a super-3 number, since 3×3122331131³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3122333131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561165565 + 1561165566.

It is an arithmetic number, because the mean of its divisors is an integer number (1561165566).

Almost surely, 2^3122331131 is an apocalyptic number.

3122331131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122331131 is an equidigital number, since it uses as much as digits as its factorization.

3122331131 is an evil number, because the sum of its binary digits is even.

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

The square root of 3122331131 is about 55877.8232485840. The cubic root of 3122331131 is about 1461.5925468164.

Adding to 3122331131 its reverse (1311332213), we get a palindrome (4433663344).

The spelling of 3122331131 in words is "three billion, one hundred twenty-two million, three hundred thirty-one thousand, one hundred thirty-one".