1313130044 has 12 divisors (see below), whose sum is σ = 2351419224. Its totient is φ = 641295984.

The previous prime is 1313130029. The next prime is 1313130047. The reversal of 1313130044 is 4400313131.

It is a junction number, because it is equal to n+sod(n) for n = 1313129998 and 1313130025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313130047) 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, 3817067 + ... + 3817410.

It is an arithmetic number, because the mean of its divisors is an integer number (195951602).

Almost surely, 2^1313130044 is an apocalyptic number.

It is an amenable number.

1313130044 is a deficient number, since it is larger than the sum of its proper divisors (1038289180).

1313130044 is a wasteful number, since it uses less digits than its factorization.

1313130044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634524 (or 7634522 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1313130044 is about 36237.1362555045. The cubic root of 1313130044 is about 1095.0549499471.

Adding to 1313130044 its reverse (4400313131), we get a palindrome (5713443175).

The spelling of 1313130044 in words is "one billion, three hundred thirteen million, one hundred thirty thousand, forty-four".