Search a number
-
+
3081664331 is a prime number
BaseRepresentation
bin1011011110101110…
…0111011101001011
321221202200202201222
42313223213131023
522302401224311
61225442432255
7136236500054
oct26753473513
97852622658
103081664331
111341579029
1272006268b
133a15a8325
142133c372b
15130825adb
hexb7ae774b

3081664331 has 2 divisors, whose sum is σ = 3081664332. Its totient is φ = 3081664330.

The previous prime is 3081664303. The next prime is 3081664357. The reversal of 3081664331 is 1334661803.

It is a strong prime.

It is an emirp because it is prime and its reverse (1334661803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3081664331 - 222 = 3077470027 is a prime.

It is a super-2 number, since 2×30816643312 = 18993310097915355122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3081664291 and 3081664300.

It is not a weakly prime, because it can be changed into another prime (3081664301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1540832165 + 1540832166.

It is an arithmetic number, because the mean of its divisors is an integer number (1540832166).

Almost surely, 23081664331 is an apocalyptic number.

3081664331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3081664331 is an equidigital number, since it uses as much as digits as its factorization.

3081664331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 3081664331 is about 55512.7402584308. The cubic root of 3081664331 is about 1455.2192929668.

The spelling of 3081664331 in words is "three billion, eighty-one million, six hundred sixty-four thousand, three hundred thirty-one".