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4221330131 = 13187320113
BaseRepresentation
bin1111101110011100…
…0110001011010011
3101220012011210022102
43323213012023103
532121130031011
61534513431015
7206415466634
oct37347061323
911805153272
104221330131
111876915897
1299986b46b
135237366a5
142c08c988b
1519a8e473b
hexfb9c62d3

4221330131 has 4 divisors (see below), whose sum is σ = 4221663432. Its totient is φ = 4220996832.

The previous prime is 4221330119. The next prime is 4221330133. The reversal of 4221330131 is 1310331224.

4221330131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4221330131 - 222 = 4217135827 is a prime.

It is a super-2 number, since 2×42213301312 = 35639256149776954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221330133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146870 + ... + 173243.

It is an arithmetic number, because the mean of its divisors is an integer number (1055415858).

Almost surely, 24221330131 is an apocalyptic number.

4221330131 is a deficient number, since it is larger than the sum of its proper divisors (333301).

4221330131 is a wasteful number, since it uses less digits than its factorization.

4221330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333300.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4221330131 is about 64971.7641056482. The cubic root of 4221330131 is about 1616.1553562441.

Adding to 4221330131 its reverse (1310331224), we get a palindrome (5531661355).

The spelling of 4221330131 in words is "four billion, two hundred twenty-one million, three hundred thirty thousand, one hundred thirty-one".

Divisors: 1 13187 320113 4221330131