315044886161 has 8 divisors (see below), whose sum is σ = 323728822824. Its totient is φ = 306369855360.

The previous prime is 315044886131. The next prime is 315044886209. The reversal of 315044886161 is 161688440513.

It can be written as a sum of positive squares in 4 ways, for example, as 197286100561 + 117758785600 = 444169^2 + 343160^2 .

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 315044886161 - 2¹⁰ = 315044885137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315044886131) 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, 2154710 + ... + 2296271.

It is an arithmetic number, because the mean of its divisors is an integer number (40466102853).

Almost surely, 2^315044886161 is an apocalyptic number.

It is an amenable number.

315044886161 is a deficient number, since it is larger than the sum of its proper divisors (8683936663).

315044886161 is a wasteful number, since it uses less digits than its factorization.

315044886161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452931.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 315044886161 in words is "three hundred fifteen billion, forty-four million, eight hundred eighty-six thousand, one hundred sixty-one".