Search a number
-
+
316104612281 is a prime number
BaseRepresentation
bin1001001100110010100…
…11011001100110111001
31010012220212121002121122
410212121103121212321
520134340240043111
6401114430515025
731560236604623
oct4463123314671
91105825532548
10316104612281
111120718a3927
125131a965a75
1323a68481aa3
1411429d45c13
15835146acdb
hex49994d99b9

316104612281 has 2 divisors, whose sum is σ = 316104612282. Its totient is φ = 316104612280.

The previous prime is 316104612253. The next prime is 316104612289. The reversal of 316104612281 is 182216401613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312155746681 + 3948865600 = 558709^2 + 62840^2 .

It is a cyclic number.

It is not a de Polignac number, because 316104612281 - 226 = 316037503417 is a prime.

It is a super-2 number, since 2×3161046122812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316104612289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158052306140 + 158052306141.

It is an arithmetic number, because the mean of its divisors is an integer number (158052306141).

Almost surely, 2316104612281 is an apocalyptic number.

It is an amenable number.

316104612281 is a deficient number, since it is larger than the sum of its proper divisors (1).

316104612281 is an equidigital number, since it uses as much as digits as its factorization.

316104612281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 316104612281 in words is "three hundred sixteen billion, one hundred four million, six hundred twelve thousand, two hundred eighty-one".