97319113 has 2 divisors, whose sum is σ = 97319114. Its totient is φ = 97319112.

The previous prime is 97319111. The next prime is 97319149. The reversal of 97319113 is 31191379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96294969 + 1024144 = 9813^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 97319113 - 2¹ = 97319111 is a prime.

Together with 97319111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97319111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48659556 + 48659557.

It is an arithmetic number, because the mean of its divisors is an integer number (48659557).

Almost surely, 2^97319113 is an apocalyptic number.

It is an amenable number.

97319113 is a deficient number, since it is larger than the sum of its proper divisors (1).

97319113 is an equidigital number, since it uses as much as digits as its factorization.

97319113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5103, while the sum is 34.

The square root of 97319113 is about 9865.0450075000. The cubic root of 97319113 is about 459.9733963820.

The spelling of 97319113 in words is "ninety-seven million, three hundred nineteen thousand, one hundred thirteen".