313434427 has 2 divisors, whose sum is σ = 313434428. Its totient is φ = 313434426.

The previous prime is 313434391. The next prime is 313434449. The reversal of 313434427 is 724434313.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (724434313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313434427 - 2¹⁹ = 312910139 is a prime.

It is a super-2 number, since 2×313434427² = 196482280057636658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313434467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156717213 + 156717214.

It is an arithmetic number, because the mean of its divisors is an integer number (156717214).

Almost surely, 2^313434427 is an apocalyptic number.

313434427 is a deficient number, since it is larger than the sum of its proper divisors (1).

313434427 is an equidigital number, since it uses as much as digits as its factorization.

313434427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 31.

The square root of 313434427 is about 17704.0793886607. The cubic root of 313434427 is about 679.2801111329.

The spelling of 313434427 in words is "three hundred thirteen million, four hundred thirty-four thousand, four hundred twenty-seven".