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203221221111131 = 1632833440083289
BaseRepresentation
bin101110001101010000100000…
…101100011111010101011011
3222122112202111022110011022212
4232031100200230133111123
5203114034030101024011
62000114312401105335
760543151210065356
oct5615204054372533
9878482438404285
10203221221111131
11598306aa3950a3
121a96177392824b
1389518a978c132
143827d6114b29d
1518763b4cce08b
hexb8d420b1f55b

203221221111131 has 8 divisors (see below), whose sum is σ = 204540151193040. Its totient is φ = 201903171201792.

The previous prime is 203221221111113. The next prime is 203221221111151. The reversal of 203221221111131 is 131111122122302.

203221221111131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203221221111131 - 26 = 203221221111067 is a prime.

It is a super-2 number, since 2×2032212211111312 (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 = 203221221111097 and 203221221111106.

It is not an unprimeable number, because it can be changed into a prime (203221221111151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219579866 + ... + 220503423.

It is an arithmetic number, because the mean of its divisors is an integer number (25567518899130).

Almost surely, 2203221221111131 is an apocalyptic number.

203221221111131 is a deficient number, since it is larger than the sum of its proper divisors (1318930081909).

203221221111131 is a wasteful number, since it uses less digits than its factorization.

203221221111131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440086285.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 203221221111131 its reverse (131111122122302), we get a palindrome (334332343233433).

The spelling of 203221221111131 in words is "two hundred three trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred eleven thousand, one hundred thirty-one".

Divisors: 1 163 2833 461779 440083289 71733576107 1246755957737 203221221111131