315268256203181 has 8 divisors (see below), whose sum is σ = 315289432403640. Its totient is φ = 315247080558592.

The previous prime is 315268256203177. The next prime is 315268256203223. The reversal of 315268256203181 is 181302652862513.

It can be written as a sum of positive squares in 4 ways, for example, as 115611073603081 + 199657182600100 = 10752259^2 + 14130010^2 .

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 315268256203181 - 2² = 315268256203177 is a prime.

It is a super-2 number, since 2×315268256203181² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315268256203111) 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, 2060594621 + ... + 2060747613.

It is an arithmetic number, because the mean of its divisors is an integer number (39411179050455).

Almost surely, 2^{315268256203181} is an apocalyptic number.

It is an amenable number.

315268256203181 is a deficient number, since it is larger than the sum of its proper divisors (21176200459).

315268256203181 is a wasteful number, since it uses less digits than its factorization.

315268256203181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277935.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 315268256203181 in words is "three hundred fifteen trillion, two hundred sixty-eight billion, two hundred fifty-six million, two hundred three thousand, one hundred eighty-one".