31060890013 has 2 divisors, whose sum is σ = 31060890014. Its totient is φ = 31060890012.

The previous prime is 31060889989. The next prime is 31060890089. The reversal of 31060890013 is 31009806013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23672284164 + 7388605849 = 153858^2 + 85957^2 .

It is a cyclic number.

It is not a de Polignac number, because 31060890013 - 2¹⁷ = 31060758941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31060290013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15530445006 + 15530445007.

It is an arithmetic number, because the mean of its divisors is an integer number (15530445007).

Almost surely, 2^31060890013 is an apocalyptic number.

It is an amenable number.

31060890013 is a deficient number, since it is larger than the sum of its proper divisors (1).

31060890013 is an equidigital number, since it uses as much as digits as its factorization.

31060890013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 31060890013 in words is "thirty-one billion, sixty million, eight hundred ninety thousand, thirteen".