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30112111321 = 137251875683
BaseRepresentation
bin11100000010110100…
…100101101011011001
32212201120020202012021
4130002310211223121
5443132200030241
621455555014441
72114130503005
oct340264455331
985646222167
1030112111321
1111852557a16
125a0459a421
132abb689466
1416592ad705
15bb38c20d1
hex702d25ad9

30112111321 has 8 divisors (see below), whose sum is σ = 30452786784. Its totient is φ = 29773188000.

The previous prime is 30112111301. The next prime is 30112111349. The reversal of 30112111321 is 12311121103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30112111321 - 215 = 30112078553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30112111295 and 30112111304.

It is not an unprimeable number, because it can be changed into a prime (30112111301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403455 + ... + 472228.

It is an arithmetic number, because the mean of its divisors is an integer number (3806598348).

Almost surely, 230112111321 is an apocalyptic number.

It is an amenable number.

30112111321 is a deficient number, since it is larger than the sum of its proper divisors (340675463).

30112111321 is a wasteful number, since it uses less digits than its factorization.

30112111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876071.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 30112111321 its reverse (12311121103), we get a palindrome (42423232424).

The spelling of 30112111321 in words is "thirty billion, one hundred twelve million, one hundred eleven thousand, three hundred twenty-one".

Divisors: 1 137 251 34387 875683 119968571 219796433 30112111321