31104805093 has 2 divisors, whose sum is σ = 31104805094. Its totient is φ = 31104805092.

The previous prime is 31104805087. The next prime is 31104805163. The reversal of 31104805093 is 39050840113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20937511204 + 10167293889 = 144698^2 + 100833^2 .

It is an emirp because it is prime and its reverse (39050840113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31104805093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31104805013) 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 as a sum of consecutive naturals, namely, 15552402546 + 15552402547.

It is an arithmetic number, because the mean of its divisors is an integer number (15552402547).

Almost surely, 2^31104805093 is an apocalyptic number.

It is an amenable number.

31104805093 is a deficient number, since it is larger than the sum of its proper divisors (1).

31104805093 is an equidigital number, since it uses as much as digits as its factorization.

31104805093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 31104805093 in words is "thirty-one billion, one hundred four million, eight hundred five thousand, ninety-three".