1313444322 has 40 divisors (see below), whose sum is σ = 2948467500. Its totient is φ = 437014656.

The previous prime is 1313444317. The next prime is 1313444329. The reversal of 1313444322 is 2234443131.

It can be written as a sum of positive squares in 2 ways, for example, as 1308341241 + 5103081 = 36171^2 + 2259^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1313444329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85054 + ... + 99302.

Almost surely, 2^1313444322 is an apocalyptic number.

1313444322 is an abundant number, since it is smaller than the sum of its proper divisors (1635023178).

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

1313444322 is a wasteful number, since it uses less digits than its factorization.

1313444322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832 (or 14823 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1313444322 is about 36241.4724038635. The cubic root of 1313444322 is about 1095.1423046430.

Adding to 1313444322 its reverse (2234443131), we get a palindrome (3547887453).

The spelling of 1313444322 in words is "one billion, three hundred thirteen million, four hundred forty-four thousand, three hundred twenty-two".