312795107509247 has 8 divisors (see below), whose sum is σ = 341231644778112. Its totient is φ = 284358673307800.

The previous prime is 312795107509109. The next prime is 312795107509289. The reversal of 312795107509247 is 742905701597213.

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 312795107509247 - 2³⁸ = 312520229602303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312795107509247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312795107509447) 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, 19351793 + ... + 31624074.

It is an arithmetic number, because the mean of its divisors is an integer number (42653955597264).

Almost surely, 2^{312795107509247} is an apocalyptic number.

312795107509247 is a deficient number, since it is larger than the sum of its proper divisors (28436537268865).

312795107509247 is a wasteful number, since it uses less digits than its factorization.

312795107509247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51533709.

The product of its (nonzero) digits is 33339600, while the sum is 62.

The spelling of 312795107509247 in words is "three hundred twelve trillion, seven hundred ninety-five billion, one hundred seven million, five hundred nine thousand, two hundred forty-seven".