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2231434409 is a prime number
BaseRepresentation
bin1000010100000000…
…1111110010101001
312202111211121112212
42011000033302221
514032221400114
61005231214505
7106203610451
oct20500176251
95674747485
102231434409
11a4564a776
12523377435
132973b94b9
14172500d61
15d0d7ab3e
hex8500fca9

2231434409 has 2 divisors, whose sum is σ = 2231434410. Its totient is φ = 2231434408.

The previous prime is 2231434393. The next prime is 2231434417. The reversal of 2231434409 is 9044341322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2133978025 + 97456384 = 46195^2 + 9872^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231434409 - 24 = 2231434393 is a prime.

It is a super-3 number, since 3×22314344093 (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231434459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115717204 + 1115717205.

It is an arithmetic number, because the mean of its divisors is an integer number (1115717205).

Almost surely, 22231434409 is an apocalyptic number.

It is an amenable number.

2231434409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231434409 is an equidigital number, since it uses as much as digits as its factorization.

2231434409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2231434409 is about 47238.0610207489. The cubic root of 2231434409 is about 1306.7566189622.

The spelling of 2231434409 in words is "two billion, two hundred thirty-one million, four hundred thirty-four thousand, four hundred nine".