Search a number
-
+
3121323341 is a prime number
BaseRepresentation
bin1011101000001011…
…1001110101001101
322001112022122200012
42322002321311031
522343024321331
61233420443005
7140230545023
oct27202716515
98045278605
103121323341
1113619a6474
127313a9465
133a98828b6
14218788713
1513405b82b
hexba0b9d4d

3121323341 has 2 divisors, whose sum is σ = 3121323342. Its totient is φ = 3121323340.

The previous prime is 3121323311. The next prime is 3121323347. The reversal of 3121323341 is 1433231213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1822009225 + 1299314116 = 42685^2 + 36046^2 .

It is an emirp because it is prime and its reverse (1433231213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3121323341 - 26 = 3121323277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121323347) 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, 1560661670 + 1560661671.

It is an arithmetic number, because the mean of its divisors is an integer number (1560661671).

Almost surely, 23121323341 is an apocalyptic number.

It is an amenable number.

3121323341 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121323341 is an equidigital number, since it uses as much as digits as its factorization.

3121323341 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3121323341 is about 55868.8047214186. The cubic root of 3121323341 is about 1461.4352779046.

Adding to 3121323341 its reverse (1433231213), we get a palindrome (4554554554).

The spelling of 3121323341 in words is "three billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred forty-one".