1313203199 has 32 divisors (see below), whose sum is σ = 1748086272. Its totient is φ = 962966400.

The previous prime is 1313203163. The next prime is 1313203237. The reversal of 1313203199 is 9913023131.

It is a de Polignac number, because none of the positive numbers 2^k-1313203199 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 (1313206199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154244 + ... + 162534.

It is an arithmetic number, because the mean of its divisors is an integer number (54627696).

Almost surely, 2^1313203199 is an apocalyptic number.

1313203199 is a deficient number, since it is larger than the sum of its proper divisors (434883073).

1313203199 is an equidigital number, since it uses as much as digits as its factorization.

1313203199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348 (or 8326 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 1313203199 is about 36238.1456341243. The cubic root of 1313203199 is about 1095.0752848859.

The spelling of 1313203199 in words is "one billion, three hundred thirteen million, two hundred three thousand, one hundred ninety-nine".