315313321253322 has 256 divisors, whose sum is σ = 782576244108288. Its totient is φ = 82656708526080.

The previous prime is 315313321253321. The next prime is 315313321253347. The reversal of 315313321253322 is 223352123313513.

It is not an unprimeable number, because it can be changed into a prime (315313321253321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3847448698 + ... + 3847530650.

It is an arithmetic number, because the mean of its divisors is an integer number (3056938453548).

Almost surely, 2^{315313321253322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315313321253322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391288122054144).

315313321253322 is an abundant number, since it is smaller than the sum of its proper divisors (467262922854966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315313321253322 is a wasteful number, since it uses less digits than its factorization.

315313321253322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82913.

The product of its digits is 291600, while the sum is 39.

Adding to 315313321253322 its reverse (223352123313513), we get a palindrome (538665444566835).

The spelling of 315313321253322 in words is "three hundred fifteen trillion, three hundred thirteen billion, three hundred twenty-one million, two hundred fifty-three thousand, three hundred twenty-two".