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30421340311 is a prime number
BaseRepresentation
bin11100010101010000…
…001101000010010111
32220112010010012121211
4130111100031002113
5444300330342221
621550402522251
72124604061155
oct342520150227
986463105554
1030421340311
11119a106526a
125a90066387
132b3a768bab
1416883a63d5
15bd0b056e1
hex71540d097

30421340311 has 2 divisors, whose sum is σ = 30421340312. Its totient is φ = 30421340310.

The previous prime is 30421340293. The next prime is 30421340347. The reversal of 30421340311 is 11304312403.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30421340311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30421340371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210670155 + 15210670156.

It is an arithmetic number, because the mean of its divisors is an integer number (15210670156).

Almost surely, 230421340311 is an apocalyptic number.

30421340311 is a deficient number, since it is larger than the sum of its proper divisors (1).

30421340311 is an equidigital number, since it uses as much as digits as its factorization.

30421340311 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.

Adding to 30421340311 its reverse (11304312403), we get a palindrome (41725652714).

The spelling of 30421340311 in words is "thirty billion, four hundred twenty-one million, three hundred forty thousand, three hundred eleven".