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20232220103231 = 49940545531269
BaseRepresentation
bin1001001100110101011100…
…10010101101001000111111
32122122011220012120000121212
410212122232102231020333
510122441041321300411
6111010315324515035
74155505163232623
oct446325622551077
978564805500555
1020232220103231
1164a0488882724
1223291816aba7b
13b39b75917a46
144dd35d579183
15251446cc268b
hex1266ae4ad23f

20232220103231 has 4 divisors (see below), whose sum is σ = 20272765635000. Its totient is φ = 20191674571464.

The previous prime is 20232220103203. The next prime is 20232220103243. The reversal of 20232220103231 is 13230102223202.

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 20232220103231 - 26 = 20232220103167 is a prime.

It is a super-2 number, since 2×202322201032312 (a number of 27 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 = 20232220103197 and 20232220103206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232220103201) 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, 20272765136 + ... + 20272766133.

It is an arithmetic number, because the mean of its divisors is an integer number (5068191408750).

Almost surely, 220232220103231 is an apocalyptic number.

20232220103231 is a deficient number, since it is larger than the sum of its proper divisors (40545531769).

20232220103231 is an equidigital number, since it uses as much as digits as its factorization.

20232220103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40545531768.

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

Adding to 20232220103231 its reverse (13230102223202), we get a palindrome (33462322326433).

The spelling of 20232220103231 in words is "twenty trillion, two hundred thirty-two billion, two hundred twenty million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 499 40545531269 20232220103231