313214431 has 2 divisors, whose sum is σ = 313214432. Its totient is φ = 313214430.

The previous prime is 313214387. The next prime is 313214467. The reversal of 313214431 is 134412313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313214431 - 2¹³ = 313206239 is a prime.

It is a super-2 number, since 2×313214431² = 196206559573307522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313214491) 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, 156607215 + 156607216.

It is an arithmetic number, because the mean of its divisors is an integer number (156607216).

Almost surely, 2^313214431 is an apocalyptic number.

313214431 is a deficient number, since it is larger than the sum of its proper divisors (1).

313214431 is an equidigital number, since it uses as much as digits as its factorization.

313214431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 313214431 is about 17697.8651537410. The cubic root of 313214431 is about 679.1211476504.

Adding to 313214431 its reverse (134412313), we get a palindrome (447626744).

The spelling of 313214431 in words is "three hundred thirteen million, two hundred fourteen thousand, four hundred thirty-one".