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2231200087 is a prime number
BaseRepresentation
bin1000010011111101…
…0110100101010111
312202111101201010021
42010333112211113
514032141400322
61005222210011
7106201613344
oct20477264527
95674351107
102231200087
11a454aa716
12523283907
1329733694c
1417247d7cb
15d0d314c7
hex84fd6957

2231200087 has 2 divisors, whose sum is σ = 2231200088. Its totient is φ = 2231200086.

The previous prime is 2231200073. The next prime is 2231200141. The reversal of 2231200087 is 7800021322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2231200087 - 227 = 2096982359 is a prime.

It is a super-3 number, since 3×22312000873 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231200187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115600043 + 1115600044.

It is an arithmetic number, because the mean of its divisors is an integer number (1115600044).

Almost surely, 22231200087 is an apocalyptic number.

2231200087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231200087 is an equidigital number, since it uses as much as digits as its factorization.

2231200087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2231200087 is about 47235.5807310548. The cubic root of 2231200087 is about 1306.7108767045.

The spelling of 2231200087 in words is "two billion, two hundred thirty-one million, two hundred thousand, eighty-seven".