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30102302331 = 323344700259
BaseRepresentation
bin11100000010001111…
…001010111001111011
32212200212210101210100
4130002033022321323
5443122142133311
621455004450443
72113651230243
oct340217127173
985625711710
1030102302331
1111847a68312
125a01249a23
132ab963381a
141657c78b23
15bb2ad5a56
hex7023cae7b

30102302331 has 6 divisors (see below), whose sum is σ = 43481103380. Its totient is φ = 20068201548.

The previous prime is 30102302327. The next prime is 30102302333. The reversal of 30102302331 is 13320320103.

30102302331 is a `hidden beast` number, since 30 + 1 + 0 + 2 + 302 + 331 = 666.

It is not a de Polignac number, because 30102302331 - 22 = 30102302327 is a prime.

It is a super-2 number, since 2×301023023312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30102302333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1672350121 + ... + 1672350138.

Almost surely, 230102302331 is an apocalyptic number.

30102302331 is a deficient number, since it is larger than the sum of its proper divisors (13378801049).

30102302331 is a wasteful number, since it uses less digits than its factorization.

30102302331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344700265 (or 3344700262 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30102302331 its reverse (13320320103), we get a palindrome (43422622434).

The spelling of 30102302331 in words is "thirty billion, one hundred two million, three hundred two thousand, three hundred thirty-one".

Divisors: 1 3 9 3344700259 10034100777 30102302331