315143321051 has 12 divisors (see below), whose sum is σ = 341584286400. Its totient is φ = 290616449760.

The previous prime is 315143321033. The next prime is 315143321057. The reversal of 315143321051 is 150123341513.

It is not a de Polignac number, because 315143321051 - 2¹⁰ = 315143320027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315143321057) 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 11 ways as a sum of consecutive naturals, for example, 740651 + ... + 1085748.

It is an arithmetic number, because the mean of its divisors is an integer number (28465357200).

Almost surely, 2^315143321051 is an apocalyptic number.

315143321051 is a deficient number, since it is larger than the sum of its proper divisors (26440965349).

315143321051 is a wasteful number, since it uses less digits than its factorization.

315143321051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827446 (or 1827433 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 315143321051 its reverse (150123341513), we get a palindrome (465266662564).

The spelling of 315143321051 in words is "three hundred fifteen billion, one hundred forty-three million, three hundred twenty-one thousand, fifty-one".