1313643103 has 8 divisors (see below), whose sum is σ = 1335293888. Its totient is φ = 1292091264.

The previous prime is 1313643061. The next prime is 1313643127. The reversal of 1313643103 is 3013463131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313643103 - 2²⁵ = 1280088671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313643143) 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 7 ways as a sum of consecutive naturals, for example, 2275 + ... + 51307.

It is an arithmetic number, because the mean of its divisors is an integer number (166911736).

Almost surely, 2^1313643103 is an apocalyptic number.

1313643103 is a deficient number, since it is larger than the sum of its proper divisors (21650785).

1313643103 is an equidigital number, since it uses as much as digits as its factorization.

1313643103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49473.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1313643103 is about 36244.2147521504. The cubic root of 1313643103 is about 1095.1975493402.

The spelling of 1313643103 in words is "one billion, three hundred thirteen million, six hundred forty-three thousand, one hundred three".