3161042 has 4 divisors (see below), whose sum is σ = 4741566. Its totient is φ = 1580520.

The previous prime is 3161023. The next prime is 3161057. The reversal of 3161042 is 2401613.

3161042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401613 = 829 ⋅2897.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 474721 = 1639^2 + 689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3161042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790259 + ... + 790262.

Almost surely, 2^3161042 is an apocalyptic number.

3161042 is a deficient number, since it is larger than the sum of its proper divisors (1580524).

3161042 is a wasteful number, since it uses less digits than its factorization.

3161042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580523.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3161042 is about 1777.9319447043. The cubic root of 3161042 is about 146.7608061834.

Adding to 3161042 its reverse (2401613), we get a palindrome (5562655).

The spelling of 3161042 in words is "three million, one hundred sixty-one thousand, forty-two".