3141545221 has 2 divisors, whose sum is σ = 3141545222. Its totient is φ = 3141545220.

The previous prime is 3141545207. The next prime is 3141545227. The reversal of 3141545221 is 1225451413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3073482721 + 68062500 = 55439^2 + 8250^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141545221 - 2²¹ = 3139448069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3141545221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3141545227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570772610 + 1570772611.

It is an arithmetic number, because the mean of its divisors is an integer number (1570772611).

Almost surely, 2^3141545221 is an apocalyptic number.

It is an amenable number.

3141545221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3141545221 is an equidigital number, since it uses as much as digits as its factorization.

3141545221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 3141545221 is about 56049.4890342454. The cubic root of 3141545221 is about 1464.5845165936.

Adding to 3141545221 its reverse (1225451413), we get a palindrome (4366996634).

It can be divided in two parts, 31415 and 45221, that added together give a triangular number (76636 = T₃₉₁).

The spelling of 3141545221 in words is "three billion, one hundred forty-one million, five hundred forty-five thousand, two hundred twenty-one".