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311039119 is a prime number
BaseRepresentation
bin10010100010100…
…001010010001111
3210200021102110101
4102202201102033
51114111222434
650510351531
710464534406
oct2242412217
9720242411
10311039119
1114a634326
12881bb5a7
134c594621
142d44863d
151c48eb14
hex128a148f

311039119 has 2 divisors, whose sum is σ = 311039120. Its totient is φ = 311039118.

The previous prime is 311039111. The next prime is 311039147. The reversal of 311039119 is 911930113.

It is an a-pointer prime, because the next prime (311039147) can be obtained adding 311039119 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311039119 - 23 = 311039111 is a prime.

It is a super-2 number, since 2×3110391192 = 193490667096592322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311039111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155519559 + 155519560.

It is an arithmetic number, because the mean of its divisors is an integer number (155519560).

Almost surely, 2311039119 is an apocalyptic number.

311039119 is a deficient number, since it is larger than the sum of its proper divisors (1).

311039119 is an equidigital number, since it uses as much as digits as its factorization.

311039119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 28.

The square root of 311039119 is about 17636.3011711640. The cubic root of 311039119 is about 677.5453010925.

The spelling of 311039119 in words is "three hundred eleven million, thirty-nine thousand, one hundred nineteen".