1313430044 has 24 divisors (see below), whose sum is σ = 2323776000. Its totient is φ = 649510704.

The previous prime is 1313430023. The next prime is 1313430061. The reversal of 1313430044 is 4400343131.

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, 436457 + ... + 439455.

It is an arithmetic number, because the mean of its divisors is an integer number (96824000).

Almost surely, 2^1313430044 is an apocalyptic number.

It is an amenable number.

1313430044 is a deficient number, since it is larger than the sum of its proper divisors (1010345956).

1313430044 is a wasteful number, since it uses less digits than its factorization.

1313430044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169 (or 4167 counting only the distinct ones).

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

The square root of 1313430044 is about 36241.2754190578. The cubic root of 1313430044 is about 1095.1383363240.

Adding to 1313430044 its reverse (4400343131), we get a palindrome (5713773175).

The spelling of 1313430044 in words is "one billion, three hundred thirteen million, four hundred thirty thousand, forty-four".