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23220112331 = 135333701179
BaseRepresentation
bin10101101000000001…
…101100101111001011
32012221020201220221102
4111220001230233023
5340023322043311
614400035332015
71451262461333
oct255001545713
965836656842
1023220112331
11993616a089
12460045100b
132260868a50
1411a3c280c3
1590d7dd43b
hex56806cbcb

23220112331 has 8 divisors (see below), whose sum is σ = 25478092080. Its totient is φ = 21029535072.

The previous prime is 23220112309. The next prime is 23220112339. The reversal of 23220112331 is 13321102232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23220112331 - 210 = 23220111307 is a prime.

It is a super-2 number, since 2×232201123312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220112339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16849901 + ... + 16851278.

It is an arithmetic number, because the mean of its divisors is an integer number (3184761510).

Almost surely, 223220112331 is an apocalyptic number.

23220112331 is a deficient number, since it is larger than the sum of its proper divisors (2257979749).

23220112331 is a wasteful number, since it uses less digits than its factorization.

23220112331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33701245.

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

Adding to 23220112331 its reverse (13321102232), we get a palindrome (36541214563).

The spelling of 23220112331 in words is "twenty-three billion, two hundred twenty million, one hundred twelve thousand, three hundred thirty-one".

Divisors: 1 13 53 689 33701179 438115327 1786162487 23220112331