31013102020313 has 8 divisors (see below), whose sum is σ = 35536087062528. Its totient is φ = 26513252452224.

The previous prime is 31013102020309. The next prime is 31013102020349. The reversal of 31013102020313 is 31302020131013.

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 31013102020313 - 2² = 31013102020309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31013102050313) 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, 5783865656 + ... + 5783871017.

It is an arithmetic number, because the mean of its divisors is an integer number (4442010882816).

Almost surely, 2^{31013102020313} is an apocalyptic number.

It is an amenable number.

31013102020313 is a deficient number, since it is larger than the sum of its proper divisors (4522985042215).

31013102020313 is a wasteful number, since it uses less digits than its factorization.

31013102020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11567737063.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31013102020313 its reverse (31302020131013), we get a palindrome (62315122151326).

The spelling of 31013102020313 in words is "thirty-one trillion, thirteen billion, one hundred two million, twenty thousand, three hundred thirteen".