318743082461 has 8 divisors (see below), whose sum is σ = 322410324600. Its totient is φ = 315077748480.

The previous prime is 318743082451. The next prime is 318743082517. The reversal of 318743082461 is 164280347813.

It can be written as a sum of positive squares in 4 ways, for example, as 23818057561 + 294925024900 = 154331^2 + 543070^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 318743082461 - 2³⁸ = 43865175517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318743082421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139670 + ... + 810551.

It is an arithmetic number, because the mean of its divisors is an integer number (40301290575).

Almost surely, 2^318743082461 is an apocalyptic number.

It is an amenable number.

318743082461 is a deficient number, since it is larger than the sum of its proper divisors (3667242139).

318743082461 is an equidigital number, since it uses as much as digits as its factorization.

318743082461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954079.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 318743082461 in words is "three hundred eighteen billion, seven hundred forty-three million, eighty-two thousand, four hundred sixty-one".