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2230831877 is a prime number
BaseRepresentation
bin1000010011110111…
…1100101100000101
312202110201000000212
42010331330230011
514032043110002
61005210245205
7106165521011
oct20475745405
95673630025
102230831877
11a4527900a
12523126805
13297238181
141723c5541
15d0cac352
hex84f7cb05

2230831877 has 2 divisors, whose sum is σ = 2230831878. Its totient is φ = 2230831876.

The previous prime is 2230831859. The next prime is 2230831879. The reversal of 2230831877 is 7781380322.

2230831877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2230767361 + 64516 = 47231^2 + 254^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230831877 - 210 = 2230830853 is a prime.

It is a super-3 number, since 3×22308318773 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2230831879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230831879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115415938 + 1115415939.

It is an arithmetic number, because the mean of its divisors is an integer number (1115415939).

Almost surely, 22230831877 is an apocalyptic number.

It is an amenable number.

2230831877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230831877 is an equidigital number, since it uses as much as digits as its factorization.

2230831877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 2230831877 is about 47231.6829786956. The cubic root of 2230831877 is about 1306.6389915511.

The spelling of 2230831877 in words is "two billion, two hundred thirty million, eight hundred thirty-one thousand, eight hundred seventy-seven".