1312313322 has 32 divisors (see below), whose sum is σ = 2728805184. Its totient is φ = 420393600.

The previous prime is 1312313311. The next prime is 1312313347. The reversal of 1312313322 is 2233132131.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23329 + ... + 56292.

It is an arithmetic number, because the mean of its divisors is an integer number (85275162).

Almost surely, 2^1312313322 is an apocalyptic number.

1312313322 is an abundant number, since it is smaller than the sum of its proper divisors (1416491862).

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

1312313322 is a wasteful number, since it uses less digits than its factorization.

1312313322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79734.

The product of its digits is 648, while the sum is 21.

The square root of 1312313322 is about 36225.8653726864. The cubic root of 1312313322 is about 1094.8278739473.

Adding to 1312313322 its reverse (2233132131), we get a palindrome (3545445453).

The spelling of 1312313322 in words is "one billion, three hundred twelve million, three hundred thirteen thousand, three hundred twenty-two".