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30051030231 = 323339003359
BaseRepresentation
bin11011111111001011…
…100101010011010111
32212120022022111200200
4123333023211103113
5443021030431411
621445533511543
72112456354015
oct337713452327
985508274620
1030051030231
1111821028882
1259a80425b3
132aabb213c1
14165112d8b5
15bad358e56
hex6ff2e54d7

30051030231 has 6 divisors (see below), whose sum is σ = 43407043680. Its totient is φ = 20034020148.

The previous prime is 30051030227. The next prime is 30051030257. The reversal of 30051030231 is 13203015003.

It is not a de Polignac number, because 30051030231 - 22 = 30051030227 is a prime.

It is a super-2 number, since 2×300510302312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001030231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1669501671 + ... + 1669501688.

It is an arithmetic number, because the mean of its divisors is an integer number (7234507280).

Almost surely, 230051030231 is an apocalyptic number.

30051030231 is a deficient number, since it is larger than the sum of its proper divisors (13356013449).

30051030231 is a wasteful number, since it uses less digits than its factorization.

30051030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339003365 (or 3339003362 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 30051030231 its reverse (13203015003), we get a palindrome (43254045234).

The spelling of 30051030231 in words is "thirty billion, fifty-one million, thirty thousand, two hundred thirty-one".

Divisors: 1 3 9 3339003359 10017010077 30051030231