313423511 has 2 divisors, whose sum is σ = 313423512. Its totient is φ = 313423510.

The previous prime is 313423501. The next prime is 313423519. The reversal of 313423511 is 115324313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313423511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313423519) 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 as a sum of consecutive naturals, namely, 156711755 + 156711756.

It is an arithmetic number, because the mean of its divisors is an integer number (156711756).

Almost surely, 2^313423511 is an apocalyptic number.

313423511 is a deficient number, since it is larger than the sum of its proper divisors (1).

313423511 is an equidigital number, since it uses as much as digits as its factorization.

313423511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 313423511 is about 17703.7710954474. The cubic root of 313423511 is about 679.2722252646.

Adding to 313423511 its reverse (115324313), we get a palindrome (428747824).

The spelling of 313423511 in words is "three hundred thirteen million, four hundred twenty-three thousand, five hundred eleven".