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23320224131 = 71328453861
BaseRepresentation
bin10101101101111111…
…100110000110000011
32020012020010010111212
4111231333212012003
5340224434133011
614414013200335
71453616430431
oct255577460603
966166103455
1023320224131
119987727606
124629a900ab
13227851b3b9
1411b3247d51
159174b608b
hex56dfe6183

23320224131 has 4 divisors (see below), whose sum is σ = 23648678064. Its totient is φ = 22991770200.

The previous prime is 23320224121. The next prime is 23320224143. The reversal of 23320224131 is 13142202332.

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 23320224131 - 210 = 23320223107 is a prime.

It is a super-2 number, since 2×233202241312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23320224097 and 23320224106.

It is not an unprimeable number, because it can be changed into a prime (23320224121) 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, 164226860 + ... + 164227001.

It is an arithmetic number, because the mean of its divisors is an integer number (5912169516).

Almost surely, 223320224131 is an apocalyptic number.

23320224131 is a deficient number, since it is larger than the sum of its proper divisors (328453933).

23320224131 is an equidigital number, since it uses as much as digits as its factorization.

23320224131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328453932.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23320224131 its reverse (13142202332), we get a palindrome (36462426463).

The spelling of 23320224131 in words is "twenty-three billion, three hundred twenty million, two hundred twenty-four thousand, one hundred thirty-one".

Divisors: 1 71 328453861 23320224131