312122312232031 has 16 divisors (see below), whose sum is σ = 358266301599744. Its totient is φ = 266368066320384.

The previous prime is 312122312232013. The next prime is 312122312232047. The reversal of 312122312232031 is 130232213221213.

It is not a de Polignac number, because 312122312232031 - 2¹⁷ = 312122312100959 is a prime.

It is a super-2 number, since 2×312122312232031² (a number of 30 digits) 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 (312122312272031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36624835 + ... + 44335348.

It is an arithmetic number, because the mean of its divisors is an integer number (22391643849984).

Almost surely, 2^{312122312232031} is an apocalyptic number.

312122312232031 is a deficient number, since it is larger than the sum of its proper divisors (46143989367713).

312122312232031 is a wasteful number, since it uses less digits than its factorization.

312122312232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80962590.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312122312232031 its reverse (130232213221213), we get a palindrome (442354525453244).

The spelling of 312122312232031 in words is "three hundred twelve trillion, one hundred twenty-two billion, three hundred twelve million, two hundred thirty-two thousand, thirty-one".