1313032244 has 12 divisors (see below), whose sum is σ = 2298884868. Its totient is φ = 656208000.

The previous prime is 1313032243. The next prime is 1313032261. The reversal of 1313032244 is 4422303131.

It can be written as a sum of positive squares in 2 ways, for example, as 353891344 + 959140900 = 18812^2 + 30970^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313032243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67307 + ... + 84594.

It is an arithmetic number, because the mean of its divisors is an integer number (191573739).

Almost surely, 2^1313032244 is an apocalyptic number.

It is an amenable number.

1313032244 is a deficient number, since it is larger than the sum of its proper divisors (985852624).

1313032244 is a wasteful number, since it uses less digits than its factorization.

1313032244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154066 (or 154064 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1313032244 is about 36235.7867859938. The cubic root of 1313032244 is about 1095.0277632432.

Adding to 1313032244 its reverse (4422303131), we get a palindrome (5735335375).

The spelling of 1313032244 in words is "one billion, three hundred thirteen million, thirty-two thousand, two hundred forty-four".