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30111011321 = 711512808601
BaseRepresentation
bin11100000010110000…
…011001000111111001
32212201111011212021112
4130002300121013321
5443131404330241
621455515250105
72114115242006
oct340260310771
985644155245
1030111011321
1111851976526
125a04149935
132abb392881
1416590a48ad
15bb37561eb
hex702c191f9

30111011321 has 8 divisors (see below), whose sum is σ = 30737340288. Its totient is φ = 29490300000.

The previous prime is 30111011297. The next prime is 30111011339. The reversal of 30111011321 is 12311011103.

It is a happy number.

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

It is not a de Polignac number, because 30111011321 - 210 = 30111010297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30111011296 and 30111011305.

It is not an unprimeable number, because it can be changed into a prime (30111011341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1393580 + ... + 1415021.

It is an arithmetic number, because the mean of its divisors is an integer number (3842167536).

Almost surely, 230111011321 is an apocalyptic number.

It is an amenable number.

30111011321 is a deficient number, since it is larger than the sum of its proper divisors (626328967).

30111011321 is a wasteful number, since it uses less digits than its factorization.

30111011321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808823.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 30111011321 its reverse (12311011103), we get a palindrome (42422022424).

The spelling of 30111011321 in words is "thirty billion, one hundred eleven million, eleven thousand, three hundred twenty-one".

Divisors: 1 71 151 10721 2808601 199410671 424098751 30111011321