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3220030331 = 71049438517
BaseRepresentation
bin1011111111101101…
…1100001101111011
322022102001111012122
42333323130031323
523043311432311
61251304231455
7142536543350
oct27773341573
98272044178
103220030331
1114026944a1
1275a46b58b
133c41629bb
14227920627
1513ca580db
hexbfedc37b

3220030331 has 8 divisors (see below), whose sum is σ = 3683551200. Its totient is φ = 2757388608.

The previous prime is 3220030313. The next prime is 3220030349. The reversal of 3220030331 is 1330300223.

It is an interprime number because it is at equal distance from previous prime (3220030313) and next prime (3220030349).

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 3220030331 - 226 = 3152921467 is a prime.

It is a super-2 number, since 2×32200303312 = 20737190665119939122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3220030391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211916 + ... + 226601.

It is an arithmetic number, because the mean of its divisors is an integer number (460443900).

Almost surely, 23220030331 is an apocalyptic number.

3220030331 is a deficient number, since it is larger than the sum of its proper divisors (463520869).

3220030331 is a wasteful number, since it uses less digits than its factorization.

3220030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439573.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 3220030331 is about 56745.3110926357. The cubic root of 3220030331 is about 1476.6808884677.

Adding to 3220030331 its reverse (1330300223), we get a palindrome (4550330554).

The spelling of 3220030331 in words is "three billion, two hundred twenty million, thirty thousand, three hundred thirty-one".

Divisors: 1 7 1049 7343 438517 3069619 460004333 3220030331