315050551247 has 4 divisors (see below), whose sum is σ = 316187918136. Its totient is φ = 313913184360.

The previous prime is 315050551223. The next prime is 315050551303. The reversal of 315050551247 is 742155050513.

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

It is a cyclic number.

It is not a de Polignac number, because 315050551247 - 2¹² = 315050547151 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 315050551247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315050551547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568683029 + ... + 568683582.

It is an arithmetic number, because the mean of its divisors is an integer number (79046979534).

Almost surely, 2^315050551247 is an apocalyptic number.

315050551247 is a deficient number, since it is larger than the sum of its proper divisors (1137366889).

315050551247 is a wasteful number, since it uses less digits than its factorization.

315050551247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137366888.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 315050551247 in words is "three hundred fifteen billion, fifty million, five hundred fifty-one thousand, two hundred forty-seven".