31312103230013 has 8 divisors (see below), whose sum is σ = 31494324840000. Its totient is φ = 31130385691968.

The previous prime is 31312103229929. The next prime is 31312103230033. The reversal of 31312103230013 is 31003230121313.

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 31312103230013 - 2²⁴ = 31312086452797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31312103230033) 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, 125893388 + ... + 126141861.

It is an arithmetic number, because the mean of its divisors is an integer number (3936790605000).

Almost surely, 2^{31312103230013} is an apocalyptic number.

It is an amenable number.

31312103230013 is a deficient number, since it is larger than the sum of its proper divisors (182221609987).

31312103230013 is a wasteful number, since it uses less digits than its factorization.

31312103230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252035971.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31312103230013 its reverse (31003230121313), we get a palindrome (62315333351326).

The spelling of 31312103230013 in words is "thirty-one trillion, three hundred twelve billion, one hundred three million, two hundred thirty thousand, thirteen".