315031100135 has 4 divisors (see below), whose sum is σ = 378037320168. Its totient is φ = 252024880104.

The previous prime is 315031100093. The next prime is 315031100159. The reversal of 315031100135 is 531001130513.

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 315031100135 - 2¹⁰ = 315031099111 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 315031100135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31503110009 + ... + 31503110018.

It is an arithmetic number, because the mean of its divisors is an integer number (94509330042).

Almost surely, 2^315031100135 is an apocalyptic number.

315031100135 is a deficient number, since it is larger than the sum of its proper divisors (63006220033).

315031100135 is an equidigital number, since it uses as much as digits as its factorization.

315031100135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63006220032.

The product of its (nonzero) digits is 675, while the sum is 23.

Adding to 315031100135 its reverse (531001130513), we get a palindrome (846032230648).

The spelling of 315031100135 in words is "three hundred fifteen billion, thirty-one million, one hundred thousand, one hundred thirty-five".