314320031 has 2 divisors, whose sum is σ = 314320032. Its totient is φ = 314320030.

The previous prime is 314320003. The next prime is 314320043. The reversal of 314320031 is 130023413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 314320031 - 2¹⁰ = 314319007 is a prime.

It is a super-2 number, since 2×314320031² = 197594163775681922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 314319991 and 314320009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314320091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157160015 + 157160016.

It is an arithmetic number, because the mean of its divisors is an integer number (157160016).

Almost surely, 2^314320031 is an apocalyptic number.

314320031 is a deficient number, since it is larger than the sum of its proper divisors (1).

314320031 is an equidigital number, since it uses as much as digits as its factorization.

314320031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 314320031 is about 17729.0730440145. The cubic root of 314320031 is about 679.9192745867.

Adding to 314320031 its reverse (130023413), we get a palindrome (444343444).

The spelling of 314320031 in words is "three hundred fourteen million, three hundred twenty thousand, thirty-one".