12331220002313 has 8 divisors (see below), whose sum is σ = 13057706158632. Its totient is φ = 11604858320896.

The previous prime is 12331220002303. The next prime is 12331220002337. The reversal of 12331220002313 is 31320002213321.

It can be written as a sum of positive squares in 4 ways, for example, as 4654042526329 + 7677177475984 = 2157323^2 + 2770772^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12331220002313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12331220002303) 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, 30914720 + ... + 31311057.

It is an arithmetic number, because the mean of its divisors is an integer number (1632213269829).

Almost surely, 2^{12331220002313} is an apocalyptic number.

It is an amenable number.

12331220002313 is a deficient number, since it is larger than the sum of its proper divisors (726486156319).

12331220002313 is a wasteful number, since it uses less digits than its factorization.

12331220002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62237451.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12331220002313 its reverse (31320002213321), we get a palindrome (43651222215634).

The spelling of 12331220002313 in words is "twelve trillion, three hundred thirty-one billion, two hundred twenty million, two thousand, three hundred thirteen".