Search a number
-
+
311414297 is a prime number
BaseRepresentation
bin10010100011111…
…100111000011001
3210200222111002212
4102203330320121
51114210224142
650522404505
710500656255
oct2243747031
9720874085
10311414297
1114a870197
1288360735
134c69631c
142d505265
151c515d82
hex128fce19

311414297 has 2 divisors, whose sum is σ = 311414298. Its totient is φ = 311414296.

The previous prime is 311414291. The next prime is 311414357. The reversal of 311414297 is 792414113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303142921 + 8271376 = 17411^2 + 2876^2 .

It is an emirp because it is prime and its reverse (792414113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311414297 - 210 = 311413273 is a prime.

It is not a weakly prime, because it can be changed into another prime (311414291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155707148 + 155707149.

It is an arithmetic number, because the mean of its divisors is an integer number (155707149).

Almost surely, 2311414297 is an apocalyptic number.

It is an amenable number.

311414297 is a deficient number, since it is larger than the sum of its proper divisors (1).

311414297 is an equidigital number, since it uses as much as digits as its factorization.

311414297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 311414297 is about 17646.9344929934. The cubic root of 311414297 is about 677.8176119133.

The spelling of 311414297 in words is "three hundred eleven million, four hundred fourteen thousand, two hundred ninety-seven".