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23382031 is a prime number
BaseRepresentation
bin101100100110…
…0100000001111
31121222221010011
41121030200033
521441211111
62153054051
7402513121
oct131144017
947887104
1023382031
11122202a2
1279b7327
134ac892a
143169211
1520bd021
hex164c80f

23382031 has 2 divisors, whose sum is σ = 23382032. Its totient is φ = 23382030.

The previous prime is 23382019. The next prime is 23382083. The reversal of 23382031 is 13028332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23382031 - 217 = 23250959 is a prime.

It is a super-2 number, since 2×233820312 = 1093438747369922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23381993 and 23382011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23382011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11691015 + 11691016.

It is an arithmetic number, because the mean of its divisors is an integer number (11691016).

Almost surely, 223382031 is an apocalyptic number.

23382031 is the 2163-rd centered decagonal number.

23382031 is a deficient number, since it is larger than the sum of its proper divisors (1).

23382031 is an equidigital number, since it uses as much as digits as its factorization.

23382031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 23382031 is about 4835.4969754928. The cubic root of 23382031 is about 285.9526181959.

The spelling of 23382031 in words is "twenty-three million, three hundred eighty-two thousand, thirty-one".