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30321300231 = 324378349613
BaseRepresentation
bin11100001111010010…
…100101001100000111
32220021010212122102200
4130033102211030013
5444044223101411
621532430405543
72122250541135
oct341722451407
986233778380
1030321300231
111194a646712
125a626608b3
132b22b10091
141678da4755
15bc6e43e56
hex70f4a5307

30321300231 has 12 divisors (see below), whose sum is σ = 44815979208. Its totient is φ = 19744102224.

The previous prime is 30321300227. The next prime is 30321300259. The reversal of 30321300231 is 13200312303.

30321300231 is a `hidden beast` number, since 303 + 2 + 130 + 0 + 231 = 666.

It is not a de Polignac number, because 30321300231 - 22 = 30321300227 is a prime.

It is a super-2 number, since 2×303213002312 (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 (30321300211) 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 11 ways as a sum of consecutive naturals, for example, 39174420 + ... + 39175193.

It is an arithmetic number, because the mean of its divisors is an integer number (3734664934).

Almost surely, 230321300231 is an apocalyptic number.

30321300231 is a deficient number, since it is larger than the sum of its proper divisors (14494678977).

30321300231 is a wasteful number, since it uses less digits than its factorization.

30321300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78349662 (or 78349659 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30321300231 its reverse (13200312303), we get a palindrome (43521612534).

The spelling of 30321300231 in words is "thirty billion, three hundred twenty-one million, three hundred thousand, two hundred thirty-one".

Divisors: 1 3 9 43 129 387 78349613 235048839 705146517 3369033359 10107100077 30321300231