90317306983 has 2 divisors, whose sum is σ = 90317306984. Its totient is φ = 90317306982.

The previous prime is 90317306977. The next prime is 90317307043. The reversal of 90317306983 is 38960371309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90317306983 - 2¹⁷ = 90317175911 is a prime.

It is a super-2 number, since 2×90317306983² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90317306483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45158653491 + 45158653492.

It is an arithmetic number, because the mean of its divisors is an integer number (45158653492).

Almost surely, 2^90317306983 is an apocalyptic number.

90317306983 is a deficient number, since it is larger than the sum of its proper divisors (1).

90317306983 is an equidigital number, since it uses as much as digits as its factorization.

90317306983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 90317306983 in words is "ninety billion, three hundred seventeen million, three hundred six thousand, nine hundred eighty-three".