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311133030979 is a prime number
BaseRepresentation
bin1001000011100001111…
…10010100101001000011
31002202002101200121011211
410201300332110221003
520044200023442404
6354533232350551
731323111061531
oct4416076245103
91082071617154
10311133030979
1110aa50537251
12503719a5457
13234554934c4
14110b7961151
15815ec79b04
hex4870f94a43

311133030979 has 2 divisors, whose sum is σ = 311133030980. Its totient is φ = 311133030978.

The previous prime is 311133030947. The next prime is 311133031009. The reversal of 311133030979 is 979030331113.

It is a strong prime.

It is an emirp because it is prime and its reverse (979030331113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311133030979 - 25 = 311133030947 is a prime.

It is not a weakly prime, because it can be changed into another prime (311133030479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155566515489 + 155566515490.

It is an arithmetic number, because the mean of its divisors is an integer number (155566515490).

Almost surely, 2311133030979 is an apocalyptic number.

311133030979 is a deficient number, since it is larger than the sum of its proper divisors (1).

311133030979 is an equidigital number, since it uses as much as digits as its factorization.

311133030979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 40.

The spelling of 311133030979 in words is "three hundred eleven billion, one hundred thirty-three million, thirty thousand, nine hundred seventy-nine".