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23321244331 = 7112910443907
BaseRepresentation
bin10101101110000011…
…011111001010101011
32020012022000221222001
4111232003133022223
5340230214304311
614414051111431
71453631206660
oct255603371253
966168027861
1023321244331
119988264050
12462a2a2577
1322787b7878
1411b3431a67
159176184c1
hex56e0df2ab

23321244331 has 16 divisors (see below), whose sum is σ = 30078455040. Its totient is φ = 17545762080.

The previous prime is 23321244319. The next prime is 23321244391. The reversal of 23321244331 is 13344212332.

It is a happy number.

It is not a de Polignac number, because 23321244331 - 217 = 23321113259 is a prime.

It is a super-2 number, since 2×233212443312 (a number of 22 digits) contains 22 as substring.

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 23321244331.

It is not an unprimeable number, because it can be changed into a prime (23321244311) 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, 5219721 + ... + 5224186.

It is an arithmetic number, because the mean of its divisors is an integer number (1879903440).

Almost surely, 223321244331 is an apocalyptic number.

23321244331 is a deficient number, since it is larger than the sum of its proper divisors (6757210709).

23321244331 is a wasteful number, since it uses less digits than its factorization.

23321244331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10443954.

The product of its digits is 10368, while the sum is 28.

Adding to 23321244331 its reverse (13344212332), we get a palindrome (36665456663).

The spelling of 23321244331 in words is "twenty-three billion, three hundred twenty-one million, two hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 7 11 29 77 203 319 2233 10443907 73107349 114882977 302873303 804180839 2120113121 3331606333 23321244331