Search a number
-
+
3213120143 is a prime number
BaseRepresentation
bin1011111110000100…
…0101001010001111
322021221001102012202
42333201011022033
523040024321033
61250500152115
7142424033132
oct27741051217
98257042182
103213120143
1113a97a47a2
1275809863b
133c28b362c
14226a42219
1513c1408e8
hexbf84528f

3213120143 has 2 divisors, whose sum is σ = 3213120144. Its totient is φ = 3213120142.

The previous prime is 3213120121. The next prime is 3213120257. The reversal of 3213120143 is 3410213123.

It is a weak prime.

It is an emirp because it is prime and its reverse (3410213123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213120143 - 220 = 3212071567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213126143) 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 as a sum of consecutive naturals, namely, 1606560071 + 1606560072.

It is an arithmetic number, because the mean of its divisors is an integer number (1606560072).

Almost surely, 23213120143 is an apocalyptic number.

3213120143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213120143 is an equidigital number, since it uses as much as digits as its factorization.

3213120143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3213120143 is about 56684.3906468086. The cubic root of 3213120143 is about 1475.6238124377.

Adding to 3213120143 its reverse (3410213123), we get a palindrome (6623333266).

The spelling of 3213120143 in words is "three billion, two hundred thirteen million, one hundred twenty thousand, one hundred forty-three".