315033130091 has 4 divisors (see below), whose sum is σ = 315071264112. Its totient is φ = 314994996072.

The previous prime is 315033130073. The next prime is 315033130117. The reversal of 315033130091 is 190031330513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315033130091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315033130031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19054616 + ... + 19071141.

It is an arithmetic number, because the mean of its divisors is an integer number (78767816028).

Almost surely, 2^315033130091 is an apocalyptic number.

315033130091 is a deficient number, since it is larger than the sum of its proper divisors (38134021).

315033130091 is an equidigital number, since it uses as much as digits as its factorization.

315033130091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38134020.

The product of its (nonzero) digits is 3645, while the sum is 29.

The spelling of 315033130091 in words is "three hundred fifteen billion, thirty-three million, one hundred thirty thousand, ninety-one".