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232231023121 = 1911215869231
BaseRepresentation
bin1101100001001000001…
…1000011001000010001
3211012102120122022020111
43120102003003020101
512301102120214441
6254404020441321
722530621061306
oct3302203031021
9735376568214
10232231023121
118a5413a3999
1239011849241
1318b8c9884a6
14b3509610ad
156092d97081
hex36120c3211

232231023121 has 4 divisors (see below), whose sum is σ = 233446892544. Its totient is φ = 231015153700.

The previous prime is 232231023053. The next prime is 232231023127. The reversal of 232231023121 is 121320132232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232231023121 - 215 = 232230990353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232231023092 and 232231023101.

It is not an unprimeable number, because it can be changed into a prime (232231023127) 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 3 ways as a sum of consecutive naturals, for example, 607934425 + ... + 607934806.

It is an arithmetic number, because the mean of its divisors is an integer number (58361723136).

Almost surely, 2232231023121 is an apocalyptic number.

It is an amenable number.

232231023121 is a deficient number, since it is larger than the sum of its proper divisors (1215869423).

232231023121 is a wasteful number, since it uses less digits than its factorization.

232231023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215869422.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 232231023121 its reverse (121320132232), we get a palindrome (353551155353).

The spelling of 232231023121 in words is "two hundred thirty-two billion, two hundred thirty-one million, twenty-three thousand, one hundred twenty-one".

Divisors: 1 191 1215869231 232231023121