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30066031 is a prime number
BaseRepresentation
bin111001010110…
…0010101101111
32002120111211201
41302230111233
530144103111
62552230331
7513362032
oct162542557
962514751
1030066031
1115a76066
12a09b3a7
1362c9068
143dc9019
15298d6c1
hex1cac56f

30066031 has 2 divisors, whose sum is σ = 30066032. Its totient is φ = 30066030.

The previous prime is 30066019. The next prime is 30066053. The reversal of 30066031 is 13066003.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30066031 is a prime.

It is a super-2 number, since 2×300660312 = 1807932440185922, 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 (30066061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15033015 + 15033016.

It is an arithmetic number, because the mean of its divisors is an integer number (15033016).

Almost surely, 230066031 is an apocalyptic number.

30066031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30066031 is an equidigital number, since it uses as much as digits as its factorization.

30066031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30066031 is about 5483.2500398942. The cubic root of 30066031 is about 310.9510542865.

The spelling of 30066031 in words is "thirty million, sixty-six thousand, thirty-one".