31111110003013 has 2 divisors, whose sum is σ = 31111110003014. Its totient is φ = 31111110003012.

The previous prime is 31111110003007. The next prime is 31111110003047. The reversal of 31111110003013 is 31030001111113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31047707770209 + 63402232804 = 5572047^2 + 251798^2 .

It is a cyclic number.

It is not a de Polignac number, because 31111110003013 - 2³³ = 31102520068421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31111110003613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15555555001506 + 15555555001507.

It is an arithmetic number, because the mean of its divisors is an integer number (15555555001507).

Almost surely, 2^{31111110003013} is an apocalyptic number.

It is an amenable number.

31111110003013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31111110003013 is an equidigital number, since it uses as much as digits as its factorization.

31111110003013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 31111110003013 its reverse (31030001111113), we get a palindrome (62141111114126).

The spelling of 31111110003013 in words is "thirty-one trillion, one hundred eleven billion, one hundred ten million, three thousand, thirteen".