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3313133221 = 14621226601
BaseRepresentation
bin1100010101111010…
…0110011010100101
322112220020121100211
43011132212122211
523241130230341
61304431535421
7145050111346
oct30536463245
98486217324
103313133221
1114501a5032
1278568a571
1340a530078
142360380cd
15145ce9181
hexc57a66a5

3313133221 has 4 divisors (see below), whose sum is σ = 3313374444. Its totient is φ = 3312892000.

The previous prime is 3313133171. The next prime is 3313133267. The reversal of 3313133221 is 1223313133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1641141121 + 1671992100 = 40511^2 + 40890^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313133221 - 225 = 3279578789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3313133192 and 3313133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313131221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98680 + ... + 127921.

It is an arithmetic number, because the mean of its divisors is an integer number (828343611).

Almost surely, 23313133221 is an apocalyptic number.

It is an amenable number.

3313133221 is a deficient number, since it is larger than the sum of its proper divisors (241223).

3313133221 is a wasteful number, since it uses less digits than its factorization.

3313133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241222.

The product of its digits is 972, while the sum is 22.

The square root of 3313133221 is about 57559.8229757528. The cubic root of 3313133221 is about 1490.7779702291. Note that the first 3 decimals are identical.

Adding to 3313133221 its reverse (1223313133), we get a palindrome (4536446354).

The spelling of 3313133221 in words is "three billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 14621 226601 3313133221