315360236261 has 24 divisors (see below), whose sum is σ = 395755758360. Its totient is φ = 249608067072.

The previous prime is 315360236251. The next prime is 315360236341. The reversal of 315360236261 is 162632063513.

It can be written as a sum of positive squares in 4 ways, for example, as 27534424225 + 287825812036 = 165935^2 + 536494^2 .

It is not a de Polignac number, because 315360236261 - 2⁶ = 315360236197 is a prime.

It is a super-2 number, since 2×315360236261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315360236251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3527396 + ... + 3615693.

It is an arithmetic number, because the mean of its divisors is an integer number (16489823265).

Almost surely, 2^315360236261 is an apocalyptic number.

It is an amenable number.

315360236261 is a deficient number, since it is larger than the sum of its proper divisors (80395522099).

315360236261 is a wasteful number, since it uses less digits than its factorization.

315360236261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143173 (or 7143166 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

Adding to 315360236261 its reverse (162632063513), we get a palindrome (477992299774).

The spelling of 315360236261 in words is "three hundred fifteen billion, three hundred sixty million, two hundred thirty-six thousand, two hundred sixty-one".