31014244342013 has 2 divisors, whose sum is σ = 31014244342014. Its totient is φ = 31014244342012.

The previous prime is 31014244342009. The next prime is 31014244342031. The reversal of 31014244342013 is 31024344241013.

Together with next prime (31014244342031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30870047190724 + 144197151289 = 5556082^2 + 379733^2 .

It is a cyclic number.

It is not a de Polignac number, because 31014244342013 - 2² = 31014244342009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31014244342043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15507122171006 + 15507122171007.

It is an arithmetic number, because the mean of its divisors is an integer number (15507122171007).

Almost surely, 2^{31014244342013} is an apocalyptic number.

It is an amenable number.

31014244342013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31014244342013 is an equidigital number, since it uses as much as digits as its factorization.

31014244342013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31014244342013 its reverse (31024344241013), we get a palindrome (62038588583026).

The spelling of 31014244342013 in words is "thirty-one trillion, fourteen billion, two hundred forty-four million, three hundred forty-two thousand, thirteen".