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30431334317 is a prime number
BaseRepresentation
bin11100010101110110…
…010100111110101101
32220112210220221211012
4130111312110332231
5444310410144232
621551401035005
72125055034206
oct342566247655
986483827735
1030431334317
11119a677097a
125a93485a65
132b3c857ac7
1416898485ad
15bd192b9b2
hex715d94fad

30431334317 has 2 divisors, whose sum is σ = 30431334318. Its totient is φ = 30431334316.

The previous prime is 30431334299. The next prime is 30431334331. The reversal of 30431334317 is 71343313403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20760775396 + 9670558921 = 144086^2 + 98339^2 .

It is a cyclic number.

It is not a de Polignac number, because 30431334317 - 26 = 30431334253 is a prime.

It is a super-2 number, since 2×304313343172 (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 (30461334317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215667158 + 15215667159.

It is an arithmetic number, because the mean of its divisors is an integer number (15215667159).

Almost surely, 230431334317 is an apocalyptic number.

It is an amenable number.

30431334317 is a deficient number, since it is larger than the sum of its proper divisors (1).

30431334317 is an equidigital number, since it uses as much as digits as its factorization.

30431334317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 32.

The spelling of 30431334317 in words is "thirty billion, four hundred thirty-one million, three hundred thirty-four thousand, three hundred seventeen".