1313052244 has 96 divisors (see below), whose sum is σ = 2864332800. Its totient is φ = 514356480.

The previous prime is 1313052211. The next prime is 1313052253. The reversal of 1313052244 is 4422503131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776427 + ... + 1777165.

It is an arithmetic number, because the mean of its divisors is an integer number (29836800).

Almost surely, 2^1313052244 is an apocalyptic number.

1313052244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313052244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432166400).

1313052244 is an abundant number, since it is smaller than the sum of its proper divisors (1551280556).

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

1313052244 is a wasteful number, since it uses less digits than its factorization.

1313052244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1313052244 is about 36236.0627552167. The cubic root of 1313052244 is about 1095.0333230061.

Adding to 1313052244 its reverse (4422503131), we get a palindrome (5735555375).

The spelling of 1313052244 in words is "one billion, three hundred thirteen million, fifty-two thousand, two hundred forty-four".