1322313505 has 8 divisors (see below), whose sum is σ = 1590251112. Its totient is φ = 1055534208.

The previous prime is 1322313497. The next prime is 1322313521. The reversal of 1322313505 is 5053132231.

It can be written as a sum of positive squares in 4 ways, for example, as 260596449 + 1061717056 = 16143^2 + 32584^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1322313505 - 2³ = 1322313497 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 1322313505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287062 + ... + 291631.

It is an arithmetic number, because the mean of its divisors is an integer number (198781389).

Almost surely, 2^1322313505 is an apocalyptic number.

It is an amenable number.

1322313505 is a deficient number, since it is larger than the sum of its proper divisors (267937607).

1322313505 is an equidigital number, since it uses as much as digits as its factorization.

1322313505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579155.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1322313505 is about 36363.6288755674. The cubic root of 1322313505 is about 1097.6018014648.

Adding to 1322313505 its reverse (5053132231), we get a palindrome (6375445736).

The spelling of 1322313505 in words is "one billion, three hundred twenty-two million, three hundred thirteen thousand, five hundred five".