Search a number
-
+
3321431213 is a prime number
BaseRepresentation
bin1100010111111001…
…0000010010101101
322120110212012001212
43011332100102231
523300241244323
61305325444205
7145210461632
oct30576202255
98513765055
103321431213
111454952481
12788410665
1340c177019
14237198189
151468d7b78
hexc5f904ad

3321431213 has 2 divisors, whose sum is σ = 3321431214. Its totient is φ = 3321431212.

The previous prime is 3321431177. The next prime is 3321431221. The reversal of 3321431213 is 3121341233.

3321431213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2273096329 + 1048334884 = 47677^2 + 32378^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321431213 - 214 = 3321414829 is a prime.

It is a super-2 number, since 2×33214312132 = 22063810605381302738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3321431513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660715606 + 1660715607.

It is an arithmetic number, because the mean of its divisors is an integer number (1660715607).

Almost surely, 23321431213 is an apocalyptic number.

It is an amenable number.

3321431213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321431213 is an equidigital number, since it uses as much as digits as its factorization.

3321431213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 3321431213 is about 57631.8593574769. The cubic root of 3321431213 is about 1492.0215212331.

Adding to 3321431213 its reverse (3121341233), we get a palindrome (6442772446).

The spelling of 3321431213 in words is "three billion, three hundred twenty-one million, four hundred thirty-one thousand, two hundred thirteen".