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30122312311 = 713331014421
BaseRepresentation
bin11100000011011011…
…100000001001110111
32212202021110000022201
4130003123200021313
5443142302443221
621501001405331
72114313300340
oct340333401167
985667400281
1030122312311
1111858295093
125a07a99847
132ac081b650
14165a7a70c7
15bb4739891
hex7036e0277

30122312311 has 8 divisors (see below), whose sum is σ = 37073615264. Its totient is φ = 23833038240.

The previous prime is 30122312303. The next prime is 30122312323. The reversal of 30122312311 is 11321322103.

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 30122312311 - 23 = 30122312303 is a prime.

It is a super-2 number, since 2×301223123112 (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 (30122312351) 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, 165507120 + ... + 165507301.

It is an arithmetic number, because the mean of its divisors is an integer number (4634201908).

Almost surely, 230122312311 is an apocalyptic number.

30122312311 is a deficient number, since it is larger than the sum of its proper divisors (6951302953).

30122312311 is a wasteful number, since it uses less digits than its factorization.

30122312311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331014441.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30122312311 its reverse (11321322103), we get a palindrome (41443634414).

The spelling of 30122312311 in words is "thirty billion, one hundred twenty-two million, three hundred twelve thousand, three hundred eleven".

Divisors: 1 7 13 91 331014421 2317100947 4303187473 30122312311