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30211316389 is a prime number
BaseRepresentation
bin11100001000101111…
…000001101010100101
32212222110220212222001
4130020233001222211
5443333044111024
621513501205301
72116443644422
oct341057015245
985873825861
1030211316389
11118a3556181
125a31860831
132b060b2197
141668534d49
15bbc46b244
hex708bc1aa5

30211316389 has 2 divisors, whose sum is σ = 30211316390. Its totient is φ = 30211316388.

The previous prime is 30211316363. The next prime is 30211316411. The reversal of 30211316389 is 98361311203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27508876164 + 2702440225 = 165858^2 + 51985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30211316389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30211386389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105658194 + 15105658195.

It is an arithmetic number, because the mean of its divisors is an integer number (15105658195).

Almost surely, 230211316389 is an apocalyptic number.

It is an amenable number.

30211316389 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211316389 is an equidigital number, since it uses as much as digits as its factorization.

30211316389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 30211316389 in words is "thirty billion, two hundred eleven million, three hundred sixteen thousand, three hundred eighty-nine".