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2203231121 = 71324211331
BaseRepresentation
bin1000001101010010…
…1010001110010001
312200112202201220122
42003110222032101
514003011343441
61002342520025
7105412104230
oct20324521621
95615681818
102203231121
11a30737173
12515a36015
132915c3270
1416c87cb17
15cd65934b
hex8352a391

2203231121 has 8 divisors (see below), whose sum is σ = 2711669184. Its totient is φ = 1743215760.

The previous prime is 2203231049. The next prime is 2203231139. The reversal of 2203231121 is 1211323022.

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

It is not a de Polignac number, because 2203231121 - 230 = 1129489297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2203231121.

It is not an unprimeable number, because it can be changed into a prime (2203231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12105575 + ... + 12105756.

It is an arithmetic number, because the mean of its divisors is an integer number (338958648).

Almost surely, 22203231121 is an apocalyptic number.

It is an amenable number.

2203231121 is a deficient number, since it is larger than the sum of its proper divisors (508438063).

2203231121 is a wasteful number, since it uses less digits than its factorization.

2203231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24211351.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2203231121 is about 46938.5888262525. The cubic root of 2203231121 is about 1301.2278578644.

Adding to 2203231121 its reverse (1211323022), we get a palindrome (3414554143).

The spelling of 2203231121 in words is "two billion, two hundred three million, two hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 7 13 91 24211331 169479317 314747303 2203231121