313230311 has 2 divisors, whose sum is σ = 313230312. Its totient is φ = 313230310.

The previous prime is 313230277. The next prime is 313230317. The reversal of 313230311 is 113032313.

It is a strong prime.

It is an emirp because it is prime and its reverse (113032313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313230311 is a prime.

It is a super-2 number, since 2×313230311² = 196226455458313442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313230311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313230317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156615155 + 156615156.

It is an arithmetic number, because the mean of its divisors is an integer number (156615156).

Almost surely, 2^313230311 is an apocalyptic number.

313230311 is a deficient number, since it is larger than the sum of its proper divisors (1).

313230311 is an equidigital number, since it uses as much as digits as its factorization.

313230311 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 17.

The square root of 313230311 is about 17698.3137897371. The cubic root of 313230311 is about 679.1326246243.

Adding to 313230311 its reverse (113032313), we get a palindrome (426262624).

The spelling of 313230311 in words is "three hundred thirteen million, two hundred thirty thousand, three hundred eleven".