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23233332131 = 181128360951
BaseRepresentation
bin10101101000110100…
…001000001110100011
32012222011121120002122
4111220310020032203
5340040213112011
614401230534455
71451513031122
oct255064101643
965864546078
1023233332131
119942679339
12460496742b
132263517009
1411a58a9ab9
1590ea503db
hex568d083a3

23233332131 has 4 divisors (see below), whose sum is σ = 23361693264. Its totient is φ = 23104971000.

The previous prime is 23233332119. The next prime is 23233332167. The reversal of 23233332131 is 13123333232.

It is a happy number.

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 23233332131 - 218 = 23233069987 is a prime.

It is a super-4 number, since 4×232333321314 (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 23233332131.

It is not an unprimeable number, because it can be changed into a prime (23233332191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64180295 + ... + 64180656.

It is an arithmetic number, because the mean of its divisors is an integer number (5840423316).

Almost surely, 223233332131 is an apocalyptic number.

23233332131 is a deficient number, since it is larger than the sum of its proper divisors (128361133).

23233332131 is a wasteful number, since it uses less digits than its factorization.

23233332131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128361132.

The product of its digits is 5832, while the sum is 26.

Adding to 23233332131 its reverse (13123333232), we get a palindrome (36356665363).

The spelling of 23233332131 in words is "twenty-three billion, two hundred thirty-three million, three hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 181 128360951 23233332131