12312330031 has 8 divisors (see below), whose sum is σ = 12849115104. Its totient is φ = 11775667200.

The previous prime is 12312330013. The next prime is 12312330059. The reversal of 12312330031 is 13003321321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12312330031 - 2⁵ = 12312329999 is a prime.

It is a super-2 number, since 2×12312330031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312329990 and 12312330008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312330071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218575 + ... + 269071.

It is an arithmetic number, because the mean of its divisors is an integer number (1606139388).

Almost surely, 2^12312330031 is an apocalyptic number.

12312330031 is a deficient number, since it is larger than the sum of its proper divisors (536785073).

12312330031 is a wasteful number, since it uses less digits than its factorization.

12312330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61121.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12312330031 its reverse (13003321321), we get a palindrome (25315651352).

The spelling of 12312330031 in words is "twelve billion, three hundred twelve million, three hundred thirty thousand, thirty-one".