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30231403041 = 372463444181
BaseRepresentation
bin11100001001111011…
…101001101000100001
32220000212201101200010
4130021323221220201
5443403214344131
621515455515133
72120106454200
oct341173515041
986025641603
1030231403041
1111903925614
125a38528aa9
132b0a2c5b88
14166b083237
15bbe0d7b46
hex709ee9a21

30231403041 has 24 divisors (see below), whose sum is σ = 46990902144. Its totient is φ = 17237737440.

The previous prime is 30231402997. The next prime is 30231403129. The reversal of 30231403041 is 14030413203.

It is not a de Polignac number, because 30231403041 - 27 = 30231402913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30231402999 and 30231403017.

It is not an unprimeable number, because it can be changed into a prime (30231402041) 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 23 ways as a sum of consecutive naturals, for example, 154030 + ... + 290151.

It is an arithmetic number, because the mean of its divisors is an integer number (1957954256).

Almost surely, 230231403041 is an apocalyptic number.

It is an amenable number.

30231403041 is a deficient number, since it is larger than the sum of its proper divisors (16759499103).

30231403041 is a wasteful number, since it uses less digits than its factorization.

30231403041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444661 (or 444654 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30231403041 its reverse (14030413203), we get a palindrome (44261816244).

The spelling of 30231403041 in words is "thirty billion, two hundred thirty-one million, four hundred three thousand, forty-one".

Divisors: 1 3 7 21 49 147 463 1389 3241 9723 22687 68061 444181 1332543 3109267 9327801 21764869 65294607 205655803 616967409 1439590621 4318771863 10077134347 30231403041