315042603026461 has 4 divisors (see below), whose sum is σ = 318838297038912. Its totient is φ = 311246909014012.

The previous prime is 315042603026447. The next prime is 315042603026483. The reversal of 315042603026461 is 164620306240513.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315042603026461 - 2⁵ = 315042603026429 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 (315042603026401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897847006101 + ... + 1897847006266.

It is an arithmetic number, because the mean of its divisors is an integer number (79709574259728).

Almost surely, 2^{315042603026461} is an apocalyptic number.

It is an amenable number.

315042603026461 is a deficient number, since it is larger than the sum of its proper divisors (3795694012451).

315042603026461 is an equidigital number, since it uses as much as digits as its factorization.

315042603026461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795694012450.

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 315042603026461 its reverse (164620306240513), we get a palindrome (479662909266974).

The spelling of 315042603026461 in words is "three hundred fifteen trillion, forty-two billion, six hundred three million, twenty-six thousand, four hundred sixty-one".