1313305522 has 16 divisors (see below), whose sum is σ = 2136714552. Its totient is φ = 602951680.

The previous prime is 1313305501. The next prime is 1313305541. The reversal of 1313305522 is 2255033131.

It can be written as a sum of positive squares in 4 ways, for example, as 1016398161 + 296907361 = 31881^2 + 17231^2 .

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 7 ways as a sum of consecutive naturals, for example, 469663 + ... + 472450.

Almost surely, 2^1313305522 is an apocalyptic number.

1313305522 is a deficient number, since it is larger than the sum of its proper divisors (823409030).

1313305522 is a wasteful number, since it uses less digits than its factorization.

1313305522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942173.

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

The square root of 1313305522 is about 36239.5574200348. The cubic root of 1313305522 is about 1095.1037264041.

Adding to 1313305522 its reverse (2255033131), we get a palindrome (3568338653).

The spelling of 1313305522 in words is "one billion, three hundred thirteen million, three hundred five thousand, five hundred twenty-two".