313304263 has 2 divisors, whose sum is σ = 313304264. Its totient is φ = 313304262.

The previous prime is 313304227. The next prime is 313304291. The reversal of 313304263 is 362403313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313304263 is a prime.

It is a super-2 number, since 2×313304263² = 196319122427946338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313304213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156652131 + 156652132.

It is an arithmetic number, because the mean of its divisors is an integer number (156652132).

Almost surely, 2^313304263 is an apocalyptic number.

313304263 is a deficient number, since it is larger than the sum of its proper divisors (1).

313304263 is an equidigital number, since it uses as much as digits as its factorization.

313304263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 313304263 is about 17700.4029050189. The cubic root of 313304263 is about 679.1860669447.

Adding to 313304263 its reverse (362403313), we get a palindrome (675707576).

The spelling of 313304263 in words is "three hundred thirteen million, three hundred four thousand, two hundred sixty-three".