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30420312221331 = 328274087103617
BaseRepresentation
bin1101110101010110001111…
…11001110110011010010011
310222201011010212021212212200
412322223013321312122103
512441401244412040311
6144410522024454243
76256536460334334
oct672530771663223
9128634125255780
1030420312221331
119769200213a2a
1234b37b101a383
1313c8814041966
147724cb0aa28b
1537b47ea63556
hex1baac7e76693

30420312221331 has 12 divisors (see below), whose sum is σ = 43993583344152. Its totient is φ = 20255685520896.

The previous prime is 30420312221329. The next prime is 30420312221363. The reversal of 30420312221331 is 13312221302403.

30420312221331 is a `hidden beast` number, since 3 + 0 + 4 + 203 + 122 + 2 + 1 + 331 = 666.

It is not a de Polignac number, because 30420312221331 - 21 = 30420312221329 is a prime.

It is a super-2 number, since 2×304203122213312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30420312221295 and 30420312221304.

It is not an unprimeable number, because it can be changed into a prime (30420312221311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2043544366 + ... + 2043559251.

It is an arithmetic number, because the mean of its divisors is an integer number (3666131945346).

Almost surely, 230420312221331 is an apocalyptic number.

30420312221331 is a deficient number, since it is larger than the sum of its proper divisors (13573271122821).

30420312221331 is a wasteful number, since it uses less digits than its factorization.

30420312221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087104450 (or 4087104447 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 30420312221331 its reverse (13312221302403), we get a palindrome (43732533523734).

The spelling of 30420312221331 in words is "thirty trillion, four hundred twenty billion, three hundred twelve million, two hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 3 9 827 2481 7443 4087103617 12261310851 36783932553 3380034691259 10140104073777 30420312221331