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220003132231 = 320968558159
BaseRepresentation
bin1100110011100100110…
…1010110001101000111
3210000212101201002100201
43030321031112031013
512101031300212411
6245022410351331
721615611524531
oct3147115261507
9700771632321
10220003132231
118533703a543
123677a72b547
13179915526ac
14a910980851
155ac960d3c1
hex3339356347

220003132231 has 4 divisors (see below), whose sum is σ = 220071693600. Its totient is φ = 219934570864.

The previous prime is 220003132207. The next prime is 220003132273. The reversal of 220003132231 is 132231300022.

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 220003132231 - 217 = 220003001159 is a prime.

It is a super-2 number, since 2×2200031322312 (a number of 23 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 = 220003132199 and 220003132208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220003172231) 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, 34275871 + ... + 34282288.

It is an arithmetic number, because the mean of its divisors is an integer number (55017923400).

Almost surely, 2220003132231 is an apocalyptic number.

220003132231 is a deficient number, since it is larger than the sum of its proper divisors (68561369).

220003132231 is an equidigital number, since it uses as much as digits as its factorization.

220003132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68561368.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220003132231 its reverse (132231300022), we get a palindrome (352234432253).

The spelling of 220003132231 in words is "two hundred twenty billion, three million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3209 68558159 220003132231