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2231104409 is a prime number
BaseRepresentation
bin1000010011111011…
…1111001110011001
312202111012211212122
42010332333032121
514032130320114
61005220151025
7106201034402
oct20476771631
95674184778
102231104409
11a45444846
12523238475
13297302231
141724569a9
15d0d12e8e
hex84fbf399

2231104409 has 2 divisors, whose sum is σ = 2231104410. Its totient is φ = 2231104408.

The previous prime is 2231104331. The next prime is 2231104417. The reversal of 2231104409 is 9044011322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024550025 + 206554384 = 44995^2 + 14372^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231104409 - 28 = 2231104153 is a prime.

It is a super-3 number, since 3×22311044093 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231100409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115552204 + 1115552205.

It is an arithmetic number, because the mean of its divisors is an integer number (1115552205).

Almost surely, 22231104409 is an apocalyptic number.

It is an amenable number.

2231104409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231104409 is an equidigital number, since it uses as much as digits as its factorization.

2231104409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2231104409 is about 47234.5679455206. The cubic root of 2231104409 is about 1306.6921983751.

The spelling of 2231104409 in words is "two billion, two hundred thirty-one million, one hundred four thousand, four hundred nine".