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314212231 is a prime number
BaseRepresentation
bin10010101110100…
…111111110000111
3210220020122011001
4102232213332013
51120414242411
651102354131
710533521434
oct2256477607
9726218131
10314212231
11151401333
128928b947
13501359c8
142da32b8b
151c8b9dc1
hex12ba7f87

314212231 has 2 divisors, whose sum is σ = 314212232. Its totient is φ = 314212230.

The previous prime is 314212193. The next prime is 314212247. The reversal of 314212231 is 132212413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 314212231 - 219 = 313687943 is a prime.

It is a super-2 number, since 2×3142122312 = 197458652219994722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 314212199 and 314212208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314212331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157106115 + 157106116.

It is an arithmetic number, because the mean of its divisors is an integer number (157106116).

Almost surely, 2314212231 is an apocalyptic number.

314212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

314212231 is an equidigital number, since it uses as much as digits as its factorization.

314212231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 19.

The square root of 314212231 is about 17726.0325792322. The cubic root of 314212231 is about 679.8415367491.

Adding to 314212231 its reverse (132212413), we get a palindrome (446424644).

The spelling of 314212231 in words is "three hundred fourteen million, two hundred twelve thousand, two hundred thirty-one".