1331342 has 8 divisors (see below), whose sum is σ = 2011800. Its totient is φ = 660744.

The previous prime is 1331339. The next prime is 1331347. The reversal of 1331342 is 2431331.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1331342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (251475).

2^1331342 is an apocalyptic number.

1331342 is a deficient number, since it is larger than the sum of its proper divisors (680458).

1331342 is a wasteful number, since it uses less digits than its factorization.

1331342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930.

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

The square root of 1331342 is about 1153.8379435605. The cubic root of 1331342 is about 110.0094206808.

Adding to 1331342 its reverse (2431331), we get a palindrome (3762673).

The spelling of 1331342 in words is "one million, three hundred thirty-one thousand, three hundred forty-two".