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4123320131 = 717191823671
BaseRepresentation
bin1111010111000100…
…1101111101000011
3101122100202100212102
43311301031331003
531421032221011
61521053021015
7204115433330
oct36561157503
911570670772
104123320131
111826563497
12970a8476b
1350933b8c8
142b1895987
15191ed473b
hexf5c4df43

4123320131 has 16 divisors (see below), whose sum is σ = 5252175360. Its totient is φ = 3151301760.

The previous prime is 4123320083. The next prime is 4123320143. The reversal of 4123320131 is 1310233214.

4123320131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4123320131 - 26 = 4123320067 is a prime.

It is a super-2 number, since 2×41233201312 = 34003537805419714322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123320151) 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 15 ways as a sum of consecutive naturals, for example, 909575 + ... + 914096.

It is an arithmetic number, because the mean of its divisors is an integer number (328260960).

Almost surely, 24123320131 is an apocalyptic number.

4123320131 is a deficient number, since it is larger than the sum of its proper divisors (1128855229).

4123320131 is a wasteful number, since it uses less digits than its factorization.

4123320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823714.

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

The square root of 4123320131 is about 64213.0837991760. The cubic root of 4123320131 is about 1603.5494288731.

Adding to 4123320131 its reverse (1310233214), we get a palindrome (5433553345).

The spelling of 4123320131 in words is "four billion, one hundred twenty-three million, three hundred twenty thousand, one hundred thirty-one".

Divisors: 1 7 17 19 119 133 323 2261 1823671 12765697 31002407 34649749 217016849 242548243 589045733 4123320131