312311031023 has 12 divisors (see below), whose sum is σ = 331953370152. Its totient is φ = 293771064960.

The previous prime is 312311030981. The next prime is 312311031083. The reversal of 312311031023 is 320130113213.

It is not a de Polignac number, because 312311031023 - 2⁶ = 312311030959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312311030986 and 312311031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312311031083) 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 11 ways as a sum of consecutive naturals, for example, 195593 + ... + 814173.

It is an arithmetic number, because the mean of its divisors is an integer number (27662780846).

Almost surely, 2^312311031023 is an apocalyptic number.

312311031023 is a deficient number, since it is larger than the sum of its proper divisors (19642339129).

312311031023 is a wasteful number, since it uses less digits than its factorization.

312311031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620362 (or 620345 counting only the distinct ones).

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

Adding to 312311031023 its reverse (320130113213), we get a palindrome (632441144236).

The spelling of 312311031023 in words is "three hundred twelve billion, three hundred eleven million, thirty-one thousand, twenty-three".