315049831849 has 9 divisors (see below), whose sum is σ = 315923936349. Its totient is φ = 314178143820.

The previous prime is 315049831829. The next prime is 315049831853. The reversal of 315049831849 is 948138940513.

It is a happy number.

The square root of 315049831849 is 561293.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 315049831849 - 2³⁷ = 177610878377 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 315049831849.

It is not an unprimeable number, because it can be changed into a prime (315049831829) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 320497812 + ... + 320498794.

Almost surely, 2^315049831849 is an apocalyptic number.

315049831849 is the 561293-rd square number.

315049831849 is the 280647-th centered octagonal number.

It is an amenable number.

315049831849 is a deficient number, since it is larger than the sum of its proper divisors (874104500).

315049831849 is an frugal number, since it uses more digits than its factorization.

315049831849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108 (or 1554 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 315049831849 in words is "three hundred fifteen billion, forty-nine million, eight hundred thirty-one thousand, eight hundred forty-nine".