3141221243 has 4 divisors (see below), whose sum is σ = 3141439488. Its totient is φ = 3141003000.

The previous prime is 3141221231. The next prime is 3141221249. The reversal of 3141221243 is 3421221413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3141221243 - 2²⁰ = 3140172667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3141221249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85883 + ... + 116868.

It is an arithmetic number, because the mean of its divisors is an integer number (785359872).

Almost surely, 2^3141221243 is an apocalyptic number.

3141221243 is a deficient number, since it is larger than the sum of its proper divisors (218245).

3141221243 is a wasteful number, since it uses less digits than its factorization.

3141221243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218244.

The product of its digits is 1152, while the sum is 23.

The square root of 3141221243 is about 56046.5988530972. The cubic root of 3141221243 is about 1464.5341688145.

Adding to 3141221243 its reverse (3421221413), we get a palindrome (6562442656).

The spelling of 3141221243 in words is "three billion, one hundred forty-one million, two hundred twenty-one thousand, two hundred forty-three".