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30332140031 = 23257338639
BaseRepresentation
bin11100001111111011…
…111011100111111111
32220021220021100211202
4130033323323213333
5444110011440111
621533455010115
72122441636064
oct341773734777
986256240752
1030332140031
111195577a826
125a6620993b
132b25136c6b
14167a5c6c6b
15bc7d85b3b
hex70fefb9ff

30332140031 has 6 divisors (see below), whose sum is σ = 31708267920. Its totient is φ = 29013350828.

The previous prime is 30332140001. The next prime is 30332140039. The reversal of 30332140031 is 13004123303.

It is a de Polignac number, because none of the positive numbers 2k-30332140031 is a prime.

It is a super-2 number, since 2×303321400312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30332139985 and 30332140012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30332140039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28668791 + ... + 28669848.

It is an arithmetic number, because the mean of its divisors is an integer number (5284711320).

Almost surely, 230332140031 is an apocalyptic number.

30332140031 is a deficient number, since it is larger than the sum of its proper divisors (1376127889).

30332140031 is an equidigital number, since it uses as much as digits as its factorization.

30332140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57338685 (or 57338662 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30332140031 its reverse (13004123303), we get a palindrome (43336263334).

The spelling of 30332140031 in words is "thirty billion, three hundred thirty-two million, one hundred forty thousand, thirty-one".

Divisors: 1 23 529 57338639 1318788697 30332140031