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30042132031 is a prime number
BaseRepresentation
bin11011111110101001…
…101000111000111111
32212112200120102122201
4123332221220320333
5443011241211111
621445015052331
72112320623522
oct337651507077
985480512581
1030042132031
111181700049a
1259a50710a7
132aaa0271b2
14164dc94bb9
15bac69c6c1
hex6fea68e3f

30042132031 has 2 divisors, whose sum is σ = 30042132032. Its totient is φ = 30042132030.

The previous prime is 30042132013. The next prime is 30042132041. The reversal of 30042132031 is 13023124003.

Together with previous prime (30042132013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (13023124003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30042132031 - 227 = 29907914303 is a prime.

It is a super-2 number, since 2×300421320312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30042132041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15021066015 + 15021066016.

It is an arithmetic number, because the mean of its divisors is an integer number (15021066016).

Almost surely, 230042132031 is an apocalyptic number.

30042132031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30042132031 is an equidigital number, since it uses as much as digits as its factorization.

30042132031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30042132031 its reverse (13023124003), we get a palindrome (43065256034).

The spelling of 30042132031 in words is "thirty billion, forty-two million, one hundred thirty-two thousand, thirty-one".