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203251322032231 = 11173792867824447
BaseRepresentation
bin101110001101101100100010…
…110110011001000001100111
3222122122122012002122101102111
4232031230202312121001213
5203120032201420012411
62000140211320221451
760545265143514004
oct5615544266310147
9878578162571374
10203251322032231
11598424465996a0
121a96757460a887
138954695a2b055
1438295b8b468ab
1518770776e0721
hexb8db22d99067

203251322032231 has 16 divisors (see below), whose sum is σ = 235391030691840. Its totient is φ = 173446022494080.

The previous prime is 203251322032211. The next prime is 203251322032279. The reversal of 203251322032231 is 132230223152302.

203251322032231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-203251322032231 is a prime.

It is a super-2 number, since 2×2032513220322312 (a number of 29 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 = 203251322032193 and 203251322032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203251322032201) 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, 1433841351 + ... + 1433983096.

It is an arithmetic number, because the mean of its divisors is an integer number (14711939418240).

Almost surely, 2203251322032231 is an apocalyptic number.

203251322032231 is a deficient number, since it is larger than the sum of its proper divisors (32139708659609).

203251322032231 is a wasteful number, since it uses less digits than its factorization.

203251322032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867824854.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 203251322032231 its reverse (132230223152302), we get a palindrome (335481545184533).

The spelling of 203251322032231 in words is "two hundred three trillion, two hundred fifty-one billion, three hundred twenty-two million, thirty-two thousand, two hundred thirty-one".

Divisors: 1 11 17 187 379 4169 6443 70873 2867824447 31546068917 48753015599 536283171589 1086905465413 11955960119543 18477392912021 203251322032231