31302013111013 has 4 divisors (see below), whose sum is σ = 31403974066080. Its totient is φ = 31200052155948.

The previous prime is 31302013111003. The next prime is 31302013111067. The reversal of 31302013111013 is 31011131020313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31302013111013 - 2¹⁶ = 31302013045477 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 (31302013111003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50980477073 + ... + 50980477686.

It is an arithmetic number, because the mean of its divisors is an integer number (7850993516520).

Almost surely, 2^{31302013111013} is an apocalyptic number.

It is an amenable number.

31302013111013 is a deficient number, since it is larger than the sum of its proper divisors (101960955067).

31302013111013 is a wasteful number, since it uses less digits than its factorization.

31302013111013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101960955066.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 31302013111013 its reverse (31011131020313), we get a palindrome (62313144131326).

The spelling of 31302013111013 in words is "thirty-one trillion, three hundred two billion, thirteen million, one hundred eleven thousand, thirteen".