312023320001131 has 16 divisors (see below), whose sum is σ = 344785337964864. Its totient is φ = 280865377419264.

The previous prime is 312023320001069. The next prime is 312023320001153. The reversal of 312023320001131 is 131100023320213.

It is a cyclic number.

It is not a de Polignac number, because 312023320001131 - 2¹⁵ = 312023319968363 is a prime.

It is a super-2 number, since 2×312023320001131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312023320001191) 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, 47195286 + ... + 53398891.

It is an arithmetic number, because the mean of its divisors is an integer number (21549083622804).

Almost surely, 2^{312023320001131} is an apocalyptic number.

312023320001131 is a deficient number, since it is larger than the sum of its proper divisors (32762017963733).

312023320001131 is a wasteful number, since it uses less digits than its factorization.

312023320001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100602150.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312023320001131 its reverse (131100023320213), we get a palindrome (443123343321344).

The spelling of 312023320001131 in words is "three hundred twelve trillion, twenty-three billion, three hundred twenty million, one thousand, one hundred thirty-one".