3131342 has 4 divisors (see below), whose sum is σ = 4697016. Its totient is φ = 1565670.

The previous prime is 3131339. The next prime is 3131351. The reversal of 3131342 is 2431313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2431313 = 641 ⋅3793.

It is a self number, because there is not a number n which added to its sum of digits gives 3131342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782834 + ... + 782837.

It is an arithmetic number, because the mean of its divisors is an integer number (1174254).

Almost surely, 2^3131342 is an apocalyptic number.

3131342 is a deficient number, since it is larger than the sum of its proper divisors (1565674).

3131342 is a wasteful number, since it uses less digits than its factorization.

3131342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565673.

The product of its digits is 216, while the sum is 17.

The square root of 3131342 is about 1769.5598322747. The cubic root of 3131342 is about 146.2997220567.

Adding to 3131342 its reverse (2431313), we get a palindrome (5562655).

The spelling of 3131342 in words is "three million, one hundred thirty-one thousand, three hundred forty-two".