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1321422299 is a prime number
BaseRepresentation
bin100111011000011…
…0100110111011011
310102002111012121122
41032300310313123
510201241003144
6335042355455
744513622101
oct11660646733
93362435548
101321422299
116189aa14a
1230a65bb8b
131809c88b2
14c76d9c71
157b0227ee
hex4ec34ddb

1321422299 has 2 divisors, whose sum is σ = 1321422300. Its totient is φ = 1321422298.

The previous prime is 1321422269. The next prime is 1321422301. The reversal of 1321422299 is 9922241231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1321422299 - 228 = 1052986843 is a prime.

Together with 1321422301, 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 (1321422229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660711149 + 660711150.

It is an arithmetic number, because the mean of its divisors is an integer number (660711150).

Almost surely, 21321422299 is an apocalyptic number.

1321422299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1321422299 is an equidigital number, since it uses as much as digits as its factorization.

1321422299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 1321422299 is about 36351.3727251118. The cubic root of 1321422299 is about 1097.3551607229.

The spelling of 1321422299 in words is "one billion, three hundred twenty-one million, four hundred twenty-two thousand, two hundred ninety-nine".