3142442081 has 2 divisors, whose sum is σ = 3142442082. Its totient is φ = 3142442080.

The previous prime is 3142442077. The next prime is 3142442143. The reversal of 3142442081 is 1802442413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3015767056 + 126675025 = 54916^2 + 11255^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142442081 - 2² = 3142442077 is a prime.

It is a super-2 number, since 2×3142442081² = 19749884464879221122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3142442071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571221040 + 1571221041.

It is an arithmetic number, because the mean of its divisors is an integer number (1571221041).

Almost surely, 2^3142442081 is an apocalyptic number.

It is an amenable number.

3142442081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3142442081 is an equidigital number, since it uses as much as digits as its factorization.

3142442081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 3142442081 is about 56057.4890714880. The cubic root of 3142442081 is about 1464.7238750091.

Adding to 3142442081 its reverse (1802442413), we get a palindrome (4944884494).

The spelling of 3142442081 in words is "three billion, one hundred forty-two million, four hundred forty-two thousand, eighty-one".