1313133244 has 24 divisors (see below), whose sum is σ = 2561222160. Its totient is φ = 585421056.

The previous prime is 1313133229. The next prime is 1313133251. The reversal of 1313133244 is 4423313131.

It is a congruent number.

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, 506887 + ... + 509470.

It is an arithmetic number, because the mean of its divisors is an integer number (106717590).

Almost surely, 2^1313133244 is an apocalyptic number.

It is an amenable number.

1313133244 is a deficient number, since it is larger than the sum of its proper divisors (1248088916).

1313133244 is a wasteful number, since it uses less digits than its factorization.

1313133244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016397 (or 1016395 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 1313133244 is about 36237.1804090771. The cubic root of 1313133244 is about 1095.0558394687.

Adding to 1313133244 its reverse (4423313131), we get a palindrome (5736446375).

The spelling of 1313133244 in words is "one billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred forty-four".