12313331302331 has 4 divisors (see below), whose sum is σ = 12384506627952. Its totient is φ = 12242155976712.

The previous prime is 12313331302319. The next prime is 12313331302339. The reversal of 12313331302331 is 13320313331321.

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 12313331302331 - 2¹⁴ = 12313331285947 is a prime.

It is a super-2 number, since 2×12313331302331² (a number of 27 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 = 12313331302294 and 12313331302303.

It is not an unprimeable number, because it can be changed into a prime (12313331302339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35587662551 + ... + 35587662896.

It is an arithmetic number, because the mean of its divisors is an integer number (3096126656988).

Almost surely, 2^{12313331302331} is an apocalyptic number.

12313331302331 is a deficient number, since it is larger than the sum of its proper divisors (71175325621).

12313331302331 is an equidigital number, since it uses as much as digits as its factorization.

12313331302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71175325620.

The product of its (nonzero) digits is 8748, while the sum is 29.

Adding to 12313331302331 its reverse (13320313331321), we get a palindrome (25633644633652).

The spelling of 12313331302331 in words is "twelve trillion, three hundred thirteen billion, three hundred thirty-one million, three hundred two thousand, three hundred thirty-one".