31312103302313 has 8 divisors (see below), whose sum is σ = 32722000088448. Its totient is φ = 29933193258864.

The previous prime is 31312103302303. The next prime is 31312103302357. The reversal of 31312103302313 is 31320330121313.

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 31312103302313 - 2¹⁴ = 31312103285929 is a prime.

It is a super-2 number, since 2×31312103302313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31312103302303) 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, 7746683606 + ... + 7746687647.

It is an arithmetic number, because the mean of its divisors is an integer number (4090250011056).

Almost surely, 2^{31312103302313} is an apocalyptic number.

It is an amenable number.

31312103302313 is a deficient number, since it is larger than the sum of its proper divisors (1409896786135).

31312103302313 is a wasteful number, since it uses less digits than its factorization.

31312103302313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493371343.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31312103302313 its reverse (31320330121313), we get a palindrome (62632433423626).

The spelling of 31312103302313 in words is "thirty-one trillion, three hundred twelve billion, one hundred three million, three hundred two thousand, three hundred thirteen".