1313442322 has 8 divisors (see below), whose sum is σ = 1971930636. Its totient is φ = 656132112.

The previous prime is 1313442311. The next prime is 1313442323. The reversal of 1313442322 is 2232443131.

It can be written as a sum of positive squares in 2 ways, for example, as 1309643721 + 3798601 = 36189^2 + 1949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1313442323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291733 + ... + 296200.

Almost surely, 2^1313442322 is an apocalyptic number.

1313442322 is a deficient number, since it is larger than the sum of its proper divisors (658488314).

1313442322 is a wasteful number, since it uses less digits than its factorization.

1313442322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589052.

The product of its digits is 3456, while the sum is 25.

The square root of 1313442322 is about 36241.4448111551. Note that the first 3 decimals coincide. The cubic root of 1313442322 is about 1095.1417487799.

Adding to 1313442322 its reverse (2232443131), we get a palindrome (3545885453).

The spelling of 1313442322 in words is "one billion, three hundred thirteen million, four hundred forty-two thousand, three hundred twenty-two".