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232331220113 = 919252808727
BaseRepresentation
bin1101100001100000000…
…1010001010010010001
3211012200120011211200012
43120120001101102101
512301303243020423
6254422000204305
722533245533646
oct3303001212221
9735616154605
10232331220113
118a592a0a423
123903b309695
1318ba766a855
14b35dda3dcd
15609ba8a078
hex3618051491

232331220113 has 4 divisors (see below), whose sum is σ = 232584029760. Its totient is φ = 232078410468.

The previous prime is 232331220071. The next prime is 232331220217. The reversal of 232331220113 is 311022133232.

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 232331220113 - 212 = 232331216017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232331220013) 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, 126403445 + ... + 126405282.

It is an arithmetic number, because the mean of its divisors is an integer number (58146007440).

Almost surely, 2232331220113 is an apocalyptic number.

It is an amenable number.

232331220113 is a deficient number, since it is larger than the sum of its proper divisors (252809647).

232331220113 is an equidigital number, since it uses as much as digits as its factorization.

232331220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252809646.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 232331220113 its reverse (311022133232), we get a palindrome (543353353345).

The spelling of 232331220113 in words is "two hundred thirty-two billion, three hundred thirty-one million, two hundred twenty thousand, one hundred thirteen".

Divisors: 1 919 252808727 232331220113