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233310121 = 1121210011
BaseRepresentation
bin11011110100000…
…00011110101001
3121021000101022121
431322000132221
5434211410441
635052351241
75532050302
oct1572003651
9537011277
10233310121
1110a774390
1266175521
133944ab35
1422db37a9
1515738dd1
hexde807a9

233310121 has 4 divisors (see below), whose sum is σ = 254520144. Its totient is φ = 212100100.

The previous prime is 233310109. The next prime is 233310163. The reversal of 233310121 is 121013332.

233310121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 233310121 - 25 = 233310089 is a prime.

It is a super-2 number, since 2×2333101212 = 108867225122069282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233310095 and 233310104.

It is not an unprimeable number, because it can be changed into a prime (233310821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10604995 + ... + 10605016.

It is an arithmetic number, because the mean of its divisors is an integer number (63630036).

Almost surely, 2233310121 is an apocalyptic number.

It is an amenable number.

233310121 is a deficient number, since it is larger than the sum of its proper divisors (21210023).

233310121 is a wasteful number, since it uses less digits than its factorization.

233310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210022.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 233310121 is about 15274.4924956609. The cubic root of 233310121 is about 615.6178346147.

Adding to 233310121 its reverse (121013332), we get a palindrome (354323453).

The spelling of 233310121 in words is "two hundred thirty-three million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 11 21210011 233310121