12312010331 has 4 divisors (see below), whose sum is σ = 12847315152. Its totient is φ = 11776705512.

The previous prime is 12312010297. The next prime is 12312010379. The reversal of 12312010331 is 13301021321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12312010331 - 2⁶ = 12312010267 is a prime.

It is a super-2 number, since 2×12312010331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312010031) 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, 267652376 + ... + 267652421.

It is an arithmetic number, because the mean of its divisors is an integer number (3211828788).

Almost surely, 2^12312010331 is an apocalyptic number.

12312010331 is a deficient number, since it is larger than the sum of its proper divisors (535304821).

12312010331 is an equidigital number, since it uses as much as digits as its factorization.

12312010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535304820.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12312010331 its reverse (13301021321), we get a palindrome (25613031652).

The spelling of 12312010331 in words is "twelve billion, three hundred twelve million, ten thousand, three hundred thirty-one".