3134523221 has 2 divisors, whose sum is σ = 3134523222. Its totient is φ = 3134523220.

The previous prime is 3134523199. The next prime is 3134523251. The reversal of 3134523221 is 1223254313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2962624900 + 171898321 = 54430^2 + 13111^2 .

It is an emirp because it is prime and its reverse (1223254313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3134523221 - 2¹⁰ = 3134522197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3134523251) 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, 1567261610 + 1567261611.

It is an arithmetic number, because the mean of its divisors is an integer number (1567261611).

Almost surely, 2^3134523221 is an apocalyptic number.

It is an amenable number.

3134523221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3134523221 is an equidigital number, since it uses as much as digits as its factorization.

3134523221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 3134523221 is about 55986.8129205441. The cubic root of 3134523221 is about 1463.4924866318.

Adding to 3134523221 its reverse (1223254313), we get a palindrome (4357777534).

The spelling of 3134523221 in words is "three billion, one hundred thirty-four million, five hundred twenty-three thousand, two hundred twenty-one".