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311968112419 is a prime number
BaseRepresentation
bin1001000101000101011…
…11111001111100100011
31002211020121001010120001
410202202233321330203
520102402314044134
6355152143200431
731352601126355
oct4424257717443
91084217033501
10311968112419
111103399592a7
12505655a6117
13235594aa232
141115681d0d5
1581ad231414
hex48a2bf9f23

311968112419 has 2 divisors, whose sum is σ = 311968112420. Its totient is φ = 311968112418.

The previous prime is 311968112381. The next prime is 311968112461. The reversal of 311968112419 is 914211869113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311968112419 - 29 = 311968111907 is a prime.

It is a super-2 number, since 2×3119681124192 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311968116419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155984056209 + 155984056210.

It is an arithmetic number, because the mean of its divisors is an integer number (155984056210).

Almost surely, 2311968112419 is an apocalyptic number.

311968112419 is a deficient number, since it is larger than the sum of its proper divisors (1).

311968112419 is an equidigital number, since it uses as much as digits as its factorization.

311968112419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 46.

The spelling of 311968112419 in words is "three hundred eleven billion, nine hundred sixty-eight million, one hundred twelve thousand, four hundred nineteen".