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30231300311 = 1719109858673
BaseRepresentation
bin11100001001111011…
…010000100011010111
32220000212112011202022
4130021323100203113
5443403203102221
621515453403355
72120105545532
oct341173204327
986025464668
1030231300311
1111903865413
125a3849955b
132b0a28b1a4
14166b057a19
15bbe0b74ab
hex709ed08d7

30231300311 has 16 divisors (see below), whose sum is σ = 34003490400. Its totient is φ = 26708133888.

The previous prime is 30231300301. The next prime is 30231300331. The reversal of 30231300311 is 11300313203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30231300311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30231300311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231300301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394130 + ... + 464543.

It is an arithmetic number, because the mean of its divisors is an integer number (2125218150).

Almost surely, 230231300311 is an apocalyptic number.

30231300311 is a deficient number, since it is larger than the sum of its proper divisors (3772190089).

30231300311 is a wasteful number, since it uses less digits than its factorization.

30231300311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858818.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30231300311 its reverse (11300313203), we get a palindrome (41531613514).

The spelling of 30231300311 in words is "thirty billion, two hundred thirty-one million, three hundred thousand, three hundred eleven".

Divisors: 1 17 19 109 323 1853 2071 35207 858673 14597441 16314787 93595357 277351379 1591121069 1778311783 30231300311