31020344302013 has 16 divisors (see below), whose sum is σ = 35070135010560. Its totient is φ = 27179005156800.

The previous prime is 31020344301997. The next prime is 31020344302039.

31020344302013 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31020344302013 - 2⁴ = 31020344301997 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 (31020344302313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87113573 + ... + 87468938.

It is an arithmetic number, because the mean of its divisors is an integer number (2191883438160).

Almost surely, 2^{31020344302013} is an apocalyptic number.

It is an amenable number.

31020344302013 is a deficient number, since it is larger than the sum of its proper divisors (4049790708547).

31020344302013 is a wasteful number, since it uses less digits than its factorization.

31020344302013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174583108.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 3102034 and 4302013, that added together give a palindrome (7404047).

The spelling of 31020344302013 in words is "thirty-one trillion, twenty billion, three hundred forty-four million, three hundred two thousand, thirteen".