314220031 has 2 divisors, whose sum is σ = 314220032. Its totient is φ = 314220030.

The previous prime is 314220029. The next prime is 314220037. The reversal of 314220031 is 130022413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 314220031 - 2¹ = 314220029 is a prime.

It is a super-2 number, since 2×314220031² = 197468455763281922, which contains 22 as substring.

Together with 314220029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 314219987 and 314220014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314220037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157110015 + 157110016.

It is an arithmetic number, because the mean of its divisors is an integer number (157110016).

Almost surely, 2^314220031 is an apocalyptic number.

314220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

314220031 is an equidigital number, since it uses as much as digits as its factorization.

314220031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 314220031 is about 17726.2525932584. The cubic root of 314220031 is about 679.8471621615.

Adding to 314220031 its reverse (130022413), we get a palindrome (444242444).

The spelling of 314220031 in words is "three hundred fourteen million, two hundred twenty thousand, thirty-one".