315053422450513 has 4 divisors (see below), whose sum is σ = 316794049094068. Its totient is φ = 313312795806960.

The previous prime is 315053422450489. The next prime is 315053422450553. The reversal of 315053422450513 is 315054224350513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151992602646784 + 163060819803729 = 12328528^2 + 12769527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315053422450513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315053422450513.

It is not an unprimeable number, because it can be changed into a prime (315053422450553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870313321506 + ... + 870313321867.

It is an arithmetic number, because the mean of its divisors is an integer number (79198512273517).

Almost surely, 2^{315053422450513} is an apocalyptic number.

It is an amenable number.

315053422450513 is a deficient number, since it is larger than the sum of its proper divisors (1740626643555).

315053422450513 is a wasteful number, since it uses less digits than its factorization.

315053422450513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740626643554.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 315053422450513 in words is "three hundred fifteen trillion, fifty-three billion, four hundred twenty-two million, four hundred fifty thousand, five hundred thirteen".