315281366401 has 4 divisors (see below), whose sum is σ = 315841369392. Its totient is φ = 314721363412.

The previous prime is 315281366363. The next prime is 315281366441. The reversal of 315281366401 is 104663182513.

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 315281366401 - 2⁷ = 315281366273 is a prime.

It is a super-2 number, since 2×315281366401² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315281366441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280000651 + ... + 280001776.

It is an arithmetic number, because the mean of its divisors is an integer number (78960342348).

Almost surely, 2^315281366401 is an apocalyptic number.

It is an amenable number.

315281366401 is a deficient number, since it is larger than the sum of its proper divisors (560002991).

315281366401 is an equidigital number, since it uses as much as digits as its factorization.

315281366401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560002990.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 315281366401 in words is "three hundred fifteen billion, two hundred eighty-one million, three hundred sixty-six thousand, four hundred one".