312330023031 has 16 divisors (see below), whose sum is σ = 448550260704. Its totient is φ = 192170356224.

The previous prime is 312330023029. The next prime is 312330023051. The reversal of 312330023031 is 130320033213.

It is not a de Polignac number, because 312330023031 - 2¹ = 312330023029 is a prime.

It is a super-2 number, since 2×312330023031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312330022989 and 312330023007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312330023011) 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, 449046 + ... + 909011.

It is an arithmetic number, because the mean of its divisors is an integer number (28034391294).

Almost surely, 2^312330023031 is an apocalyptic number.

312330023031 is a deficient number, since it is larger than the sum of its proper divisors (136220237673).

312330023031 is a wasteful number, since it uses less digits than its factorization.

312330023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363970.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 312330023031 its reverse (130320033213), we get a palindrome (442650056244).

The spelling of 312330023031 in words is "three hundred twelve billion, three hundred thirty million, twenty-three thousand, thirty-one".