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30824231 is a prime number
BaseRepresentation
bin111010110010…
…1011100100111
32011000000220012
41311211130213
530342333411
63020400435
7523000364
oct165453447
964000805
1030824231
1116443779
12a3a611b
1365031b9
14414546b
152a8d18b
hex1d65727

30824231 has 2 divisors, whose sum is σ = 30824232. Its totient is φ = 30824230.

The previous prime is 30824207. The next prime is 30824243. The reversal of 30824231 is 13242803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30824231 - 222 = 26629927 is a prime.

It is a super-2 number, since 2×308242312 = 1900266433482722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 30824197 and 30824206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30824201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15412115 + 15412116.

It is an arithmetic number, because the mean of its divisors is an integer number (15412116).

Almost surely, 230824231 is an apocalyptic number.

30824231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30824231 is an equidigital number, since it uses as much as digits as its factorization.

30824231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30824231 is about 5551.9574025743. The cubic root of 30824231 is about 313.5432220058.

The spelling of 30824231 in words is "thirty million, eight hundred twenty-four thousand, two hundred thirty-one".