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314220031 is a prime number
BaseRepresentation
bin10010101110101…
…001110111111111
3210220021000211221
4102232221313333
51120420020111
651102454211
710533553246
oct2256516777
9726230757
10314220031
11151407184
1289294367
1350139418
142da3595d
151c8bc371
hex12ba9dff

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, 2314220031 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".