Search a number
-
+
2319166481 is a prime number
BaseRepresentation
bin1000101000111011…
…1010110000010001
312222121220212022212
42022032322300101
514222201311411
61022043441505
7111320406212
oct21216726021
95877825285
102319166481
11a90122115
12548826295
132ac626078
1418001b409
15d890a68b
hex8a3bac11

2319166481 has 2 divisors, whose sum is σ = 2319166482. Its totient is φ = 2319166480.

The previous prime is 2319166459. The next prime is 2319166483. The reversal of 2319166481 is 1846619132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1584756481 + 734410000 = 39809^2 + 27100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2319166481 - 26 = 2319166417 is a prime.

It is a super-2 number, since 2×23191664812 = 10757066333187846722, which contains 22 as substring.

Together with 2319166483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2319166483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159583240 + 1159583241.

It is an arithmetic number, because the mean of its divisors is an integer number (1159583241).

Almost surely, 22319166481 is an apocalyptic number.

It is an amenable number.

2319166481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2319166481 is an equidigital number, since it uses as much as digits as its factorization.

2319166481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 2319166481 is about 48157.7250397068. The cubic root of 2319166481 is about 1323.6626318056.

The spelling of 2319166481 in words is "two billion, three hundred nineteen million, one hundred sixty-six thousand, four hundred eighty-one".