31093839113 has 2 divisors, whose sum is σ = 31093839114. Its totient is φ = 31093839112.

The previous prime is 31093839097. The next prime is 31093839143. The reversal of 31093839113 is 31193839013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30285744784 + 808094329 = 174028^2 + 28427^2 .

It is a cyclic number.

It is not a de Polignac number, because 31093839113 - 2⁴ = 31093839097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (31093839143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15546919556 + 15546919557.

It is an arithmetic number, because the mean of its divisors is an integer number (15546919557).

Almost surely, 2^31093839113 is an apocalyptic number.

It is an amenable number.

31093839113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31093839113 is an equidigital number, since it uses as much as digits as its factorization.

31093839113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 31093839113 in words is "thirty-one billion, ninety-three million, eight hundred thirty-nine thousand, one hundred thirteen".