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30132212231 = 112739292021
BaseRepresentation
bin11100000100000001…
…010001001000000111
32212202222001222110102
4130010001101020013
5443202321242411
621501553514315
72114463402152
oct340401211007
985688058412
1030132212231
1111862937040
125a0b27299b
132ac28a67a4
14165bc22c99
15bb5542d3b
hex704051207

30132212231 has 4 divisors (see below), whose sum is σ = 32871504264. Its totient is φ = 27392920200.

The previous prime is 30132212213. The next prime is 30132212261. The reversal of 30132212231 is 13221223103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13221223103 = 111201929373.

It is a cyclic number.

It is not a de Polignac number, because 30132212231 - 230 = 29058470407 is a prime.

It is a super-2 number, since 2×301322122312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30132212261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369646000 + ... + 1369646021.

It is an arithmetic number, because the mean of its divisors is an integer number (8217876066).

Almost surely, 230132212231 is an apocalyptic number.

30132212231 is a deficient number, since it is larger than the sum of its proper divisors (2739292033).

30132212231 is a wasteful number, since it uses less digits than its factorization.

30132212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739292032.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30132212231 its reverse (13221223103), we get a palindrome (43353435334).

The spelling of 30132212231 in words is "thirty billion, one hundred thirty-two million, two hundred twelve thousand, two hundred thirty-one".

Divisors: 1 11 2739292021 30132212231