315165745231143 has 16 divisors (see below), whose sum is σ = 420942051964512. Its totient is φ = 209750140880000.

The previous prime is 315165745231097. The next prime is 315165745231147. The reversal of 315165745231143 is 341132547561513.

It is a cyclic number.

It is not a de Polignac number, because 315165745231143 - 2²⁰ = 315165744182567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315165745231147) 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, 14372028 + ... + 28928993.

It is an arithmetic number, because the mean of its divisors is an integer number (26308878247782).

Almost surely, 2^{315165745231143} is an apocalyptic number.

315165745231143 is a deficient number, since it is larger than the sum of its proper divisors (105776306733369).

315165745231143 is a wasteful number, since it uses less digits than its factorization.

315165745231143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43305186.

The product of its digits is 4536000, while the sum is 51.

The spelling of 315165745231143 in words is "three hundred fifteen trillion, one hundred sixty-five billion, seven hundred forty-five million, two hundred thirty-one thousand, one hundred forty-three".