318544012097 has 2 divisors, whose sum is σ = 318544012098. Its totient is φ = 318544012096.

The previous prime is 318544012093. The next prime is 318544012103. The reversal of 318544012097 is 790210445813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318413046961 + 130965136 = 564281^2 + 11444^2 .

It is a cyclic number.

It is not a de Polignac number, because 318544012097 - 2² = 318544012093 is a prime.

It is not a weakly prime, because it can be changed into another prime (318544012093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159272006048 + 159272006049.

It is an arithmetic number, because the mean of its divisors is an integer number (159272006049).

Almost surely, 2^318544012097 is an apocalyptic number.

It is an amenable number.

318544012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

318544012097 is an equidigital number, since it uses as much as digits as its factorization.

318544012097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 318544012097 in words is "three hundred eighteen billion, five hundred forty-four million, twelve thousand, ninety-seven".