313013203 has 2 divisors, whose sum is σ = 313013204. Its totient is φ = 313013202.

The previous prime is 313013179. The next prime is 313013221. The reversal of 313013203 is 302310313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313013203 is a prime.

It is not a weakly prime, because it can be changed into another prime (313013243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156506601 + 156506602.

It is an arithmetic number, because the mean of its divisors is an integer number (156506602).

Almost surely, 2^313013203 is an apocalyptic number.

313013203 is a deficient number, since it is larger than the sum of its proper divisors (1).

313013203 is an equidigital number, since it uses as much as digits as its factorization.

313013203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 313013203 is about 17692.1791478608. The cubic root of 313013203 is about 678.9756802506.

Adding to 313013203 its reverse (302310313), we get a palindrome (615323516).

The spelling of 313013203 in words is "three hundred thirteen million, thirteen thousand, two hundred three".