315356662261 has 4 divisors (see below), whose sum is σ = 315358992000. Its totient is φ = 315354332524.

The previous prime is 315356662241. The next prime is 315356662279. The reversal of 315356662261 is 162266653513.

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 315356662261 - 2⁷ = 315356662133 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 (315356662241) 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, 948421 + ... + 1237018.

It is an arithmetic number, because the mean of its divisors is an integer number (78839748000).

Almost surely, 2^315356662261 is an apocalyptic number.

It is an amenable number.

315356662261 is a deficient number, since it is larger than the sum of its proper divisors (2329739).

315356662261 is a wasteful number, since it uses less digits than its factorization.

315356662261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329738.

The product of its digits is 1166400, while the sum is 46.

The spelling of 315356662261 in words is "three hundred fifteen billion, three hundred fifty-six million, six hundred sixty-two thousand, two hundred sixty-one".