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2108231 is a prime number
BaseRepresentation
bin1000000010101101000111
310222002221122
420002231013
51014430411
6113104155
723630306
oct10025507
93862848
102108231
11120aa44
1285805b
1358a798
143cc43d
152b99db
hex202b47

2108231 has 2 divisors, whose sum is σ = 2108232. Its totient is φ = 2108230.

The previous prime is 2108177. The next prime is 2108243. The reversal of 2108231 is 1328012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2108231 - 210 = 2107207 is a prime.

It is a super-2 number, since 2×21082312 = 8889275898722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054115 + 1054116.

It is an arithmetic number, because the mean of its divisors is an integer number (1054116).

22108231 is an apocalyptic number.

2108231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108231 is an equidigital number, since it uses as much as digits as its factorization.

2108231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2108231 is about 1451.9748620414. The cubic root of 2108231 is about 128.2250070676.

The spelling of 2108231 in words is "two million, one hundred eight thousand, two hundred thirty-one".