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3213211313 = 13376680273
BaseRepresentation
bin1011111110000101…
…1011011010110001
322021221020001021102
42333201123122301
523040040230223
61250502134145
7142424563004
oct27741333261
98257201242
103213211313
1113a9857244
12758121355
133c2915c90
14226a6753b
1513c15c928
hexbf85b6b1

3213211313 has 8 divisors (see below), whose sum is σ = 3553905768. Its totient is φ = 2885877504.

The previous prime is 3213211301. The next prime is 3213211333. The reversal of 3213211313 is 3131123123.

It can be written as a sum of positive squares in 4 ways, for example, as 5914624 + 3207296689 = 2432^2 + 56633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3213211313 - 216 = 3213145777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213211333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3339656 + ... + 3340617.

It is an arithmetic number, because the mean of its divisors is an integer number (444238221).

Almost surely, 23213211313 is an apocalyptic number.

It is an amenable number.

3213211313 is a deficient number, since it is larger than the sum of its proper divisors (340694455).

3213211313 is a wasteful number, since it uses less digits than its factorization.

3213211313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680323.

The product of its digits is 324, while the sum is 20.

The square root of 3213211313 is about 56685.1948307492. The cubic root of 3213211313 is about 1475.6377688979.

Adding to 3213211313 its reverse (3131123123), we get a palindrome (6344334436).

The spelling of 3213211313 in words is "three billion, two hundred thirteen million, two hundred eleven thousand, three hundred thirteen".

Divisors: 1 13 37 481 6680273 86843549 247170101 3213211313