315044066991 has 16 divisors (see below), whose sum is σ = 427257705600. Its totient is φ = 206431225248.

The previous prime is 315044066989. The next prime is 315044067011. The reversal of 315044066991 is 199660440513.

It is a happy number.

It is not a de Polignac number, because 315044066991 - 2¹ = 315044066989 is a prime.

It is a super-4 number, since 4×315044066991⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315044066991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315044066191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 806940 + ... + 1131918.

It is an arithmetic number, because the mean of its divisors is an integer number (26703606600).

Almost surely, 2^315044066991 is an apocalyptic number.

315044066991 is a deficient number, since it is larger than the sum of its proper divisors (112213638609).

315044066991 is a wasteful number, since it uses less digits than its factorization.

315044066991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330518.

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 315044066991 in words is "three hundred fifteen billion, forty-four million, sixty-six thousand, nine hundred ninety-one".