1313044401 has 32 divisors (see below), whose sum is σ = 1903730688. Its totient is φ = 802581120.

The previous prime is 1313044399. The next prime is 1313044429. The reversal of 1313044401 is 1044403131.

It is not a de Polignac number, because 1313044401 - 2¹ = 1313044399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313044441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226005 + ... + 231741.

It is an arithmetic number, because the mean of its divisors is an integer number (59491584).

Almost surely, 2^1313044401 is an apocalyptic number.

It is an amenable number.

1313044401 is a deficient number, since it is larger than the sum of its proper divisors (590686287).

1313044401 is a wasteful number, since it uses less digits than its factorization.

1313044401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1313044401 is about 36235.9545341364. The cubic root of 1313044401 is about 1095.0311427518.

Adding to 1313044401 its reverse (1044403131), we get a palindrome (2357447532).

The spelling of 1313044401 in words is "one billion, three hundred thirteen million, forty-four thousand, four hundred one".