12310023331 has 4 divisors (see below), whose sum is σ = 12336383592. Its totient is φ = 12283663072.

The previous prime is 12310023307. The next prime is 12310023367. The reversal of 12310023331 is 13332001321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13332001321 = 4973 ⋅2680877.

It is a cyclic number.

It is not a de Polignac number, because 12310023331 - 2⁷ = 12310023203 is a prime.

It is a super-2 number, since 2×12310023331² (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 = 12310023299 and 12310023308.

It is not an unprimeable number, because it can be changed into a prime (12310023371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13179430 + ... + 13180363.

It is an arithmetic number, because the mean of its divisors is an integer number (3084095898).

Almost surely, 2^12310023331 is an apocalyptic number.

12310023331 is a deficient number, since it is larger than the sum of its proper divisors (26360261).

12310023331 is an equidigital number, since it uses as much as digits as its factorization.

12310023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26360260.

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

Adding to 12310023331 its reverse (13332001321), we get a palindrome (25642024652).

The spelling of 12310023331 in words is "twelve billion, three hundred ten million, twenty-three thousand, three hundred thirty-one".