3143442161 has 8 divisors (see below), whose sum is σ = 3220918344. Its totient is φ = 3066004480.

The previous prime is 3143442157. The next prime is 3143442199. The reversal of 3143442161 is 1612443413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2512225 + 3140929936 = 1585^2 + 56044^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3143442161 - 2² = 3143442157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3143442461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225161 + ... + 238713.

It is an arithmetic number, because the mean of its divisors is an integer number (402614793).

Almost surely, 2^3143442161 is an apocalyptic number.

It is an amenable number.

3143442161 is a deficient number, since it is larger than the sum of its proper divisors (77476183).

3143442161 is a wasteful number, since it uses less digits than its factorization.

3143442161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19251.

The product of its digits is 6912, while the sum is 29.

The square root of 3143442161 is about 56066.4084902894. The cubic root of 3143442161 is about 1464.8792409790.

Adding to 3143442161 its reverse (1612443413), we get a palindrome (4755885574).

The spelling of 3143442161 in words is "three billion, one hundred forty-three million, four hundred forty-two thousand, one hundred sixty-one".