1313613427 has 16 divisors (see below), whose sum is σ = 1543940352. Its totient is φ = 1094352480.

The previous prime is 1313613401. The next prime is 1313613439. The reversal of 1313613427 is 7243163131.

It is not a de Polignac number, because 1313613427 - 2⁷ = 1313613299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313643427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23152 + ... + 56242.

It is an arithmetic number, because the mean of its divisors is an integer number (96496272).

Almost surely, 2^1313613427 is an apocalyptic number.

1313613427 is a deficient number, since it is larger than the sum of its proper divisors (230326925).

1313613427 is a wasteful number, since it uses less digits than its factorization.

1313613427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33258.

The product of its digits is 9072, while the sum is 31.

The square root of 1313613427 is about 36243.8053603647. The cubic root of 1313613427 is about 1095.1893022175.

Adding to 1313613427 its reverse (7243163131), we get a palindrome (8556776558).

The spelling of 1313613427 in words is "one billion, three hundred thirteen million, six hundred thirteen thousand, four hundred twenty-seven".