318451983007 has 2 divisors, whose sum is σ = 318451983008. Its totient is φ = 318451983006.

The previous prime is 318451982923. The next prime is 318451983023. The reversal of 318451983007 is 700389154813.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (700389154813) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318451983007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318451953007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159225991503 + 159225991504.

It is an arithmetic number, because the mean of its divisors is an integer number (159225991504).

Almost surely, 2^318451983007 is an apocalyptic number.

318451983007 is a deficient number, since it is larger than the sum of its proper divisors (1).

318451983007 is an equidigital number, since it uses as much as digits as its factorization.

318451983007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 318451983007 in words is "three hundred eighteen billion, four hundred fifty-one million, nine hundred eighty-three thousand, seven".