3122312431 has 16 divisors (see below), whose sum is σ = 3659814400. Its totient is φ = 2607964128.

The previous prime is 3122312411. The next prime is 3122312443. The reversal of 3122312431 is 1342132213.

It is not a de Polignac number, because 3122312431 - 2¹¹ = 3122310383 is a prime.

It is a super-2 number, since 2×3122312431² = 19497669833554259522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122312411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120325 + ... + 143953.

It is an arithmetic number, because the mean of its divisors is an integer number (228738400).

Almost surely, 2^3122312431 is an apocalyptic number.

3122312431 is a deficient number, since it is larger than the sum of its proper divisors (537501969).

3122312431 is a wasteful number, since it uses less digits than its factorization.

3122312431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24118.

The product of its digits is 864, while the sum is 22.

The square root of 3122312431 is about 55877.6559189807. The cubic root of 3122312431 is about 1461.5896289287.

Adding to 3122312431 its reverse (1342132213), we get a palindrome (4464444644).

The spelling of 3122312431 in words is "three billion, one hundred twenty-two million, three hundred twelve thousand, four hundred thirty-one".