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3230330221 = 31607102203
BaseRepresentation
bin1100000010001010…
…1110110101101101
322100010102210000001
43000202232311231
523103431031341
61252313104301
7143023232236
oct30042566555
98303383001
103230330221
1114084899a8
127619b8091
133c632ac01
1422904208d
1513d8ded31
hexc08aed6d

3230330221 has 4 divisors (see below), whose sum is σ = 3230464032. Its totient is φ = 3230196412.

The previous prime is 3230330189. The next prime is 3230330269. The reversal of 3230330221 is 1220330323.

It is a happy number.

3230330221 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, and also an emirpimes, since its reverse is a distinct semiprime: 1220330323 = 5689214507.

It is a cyclic number.

It is not a de Polignac number, because 3230330221 - 25 = 3230330189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230330921) 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, 19495 + ... + 82708.

It is an arithmetic number, because the mean of its divisors is an integer number (807616008).

Almost surely, 23230330221 is an apocalyptic number.

It is an amenable number.

3230330221 is a deficient number, since it is larger than the sum of its proper divisors (133811).

3230330221 is a wasteful number, since it uses less digits than its factorization.

3230330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133810.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 3230330221 is about 56835.9940618619. The cubic root of 3230330221 is about 1478.2536958544.

Adding to 3230330221 its reverse (1220330323), we get a palindrome (4450660544).

The spelling of 3230330221 in words is "three billion, two hundred thirty million, three hundred thirty thousand, two hundred twenty-one".

Divisors: 1 31607 102203 3230330221