3143289442 has 4 divisors (see below), whose sum is σ = 4714934166. Its totient is φ = 1571644720.

The previous prime is 3143289421. The next prime is 3143289463. The reversal of 3143289442 is 2449823413.

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

It is an interprime number because it is at equal distance from previous prime (3143289421) and next prime (3143289463).

It can be written as a sum of positive squares in only one way, i.e., 2795131161 + 348158281 = 52869^2 + 18659^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3143289395 and 3143289404.

It is an unprimeable number.

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, 785822359 + ... + 785822362.

Almost surely, 2^3143289442 is an apocalyptic number.

3143289442 is a deficient number, since it is larger than the sum of its proper divisors (1571644724).

3143289442 is a wasteful number, since it uses less digits than its factorization.

3143289442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571644723.

The product of its digits is 165888, while the sum is 40.

The square root of 3143289442 is about 56065.0465263340. The cubic root of 3143289442 is about 1464.8555176736.

The spelling of 3143289442 in words is "three billion, one hundred forty-three million, two hundred eighty-nine thousand, four hundred forty-two".