312323102031 has 16 divisors (see below), whose sum is σ = 430819862400. Its totient is φ = 201021850848.

The previous prime is 312323102011. The next prime is 312323102053. The reversal of 312323102031 is 130201323213.

It is not a de Polignac number, because 312323102031 - 2⁶ = 312323101967 is a prime.

It is a super-2 number, since 2×312323102031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312323101989 and 312323102007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312323102011) 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, 1248460 + ... + 1477598.

It is an arithmetic number, because the mean of its divisors is an integer number (26926241400).

Almost surely, 2^312323102031 is an apocalyptic number.

312323102031 is a deficient number, since it is larger than the sum of its proper divisors (118496760369).

312323102031 is a wasteful number, since it uses less digits than its factorization.

312323102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244838.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312323102031 its reverse (130201323213), we get a palindrome (442524425244).

The spelling of 312323102031 in words is "three hundred twelve billion, three hundred twenty-three million, one hundred two thousand, thirty-one".