1331241342 has 16 divisors (see below), whose sum is σ = 2663684352. Its totient is φ = 443546840.

The previous prime is 1331241299. The next prime is 1331241347. The reversal of 1331241342 is 2431421331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331241347) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 35334 + ... + 62537.

It is an arithmetic number, because the mean of its divisors is an integer number (166480272).

Almost surely, 2^1331241342 is an apocalyptic number.

1331241342 is an abundant number, since it is smaller than the sum of its proper divisors (1332443010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331241342 is a wasteful number, since it uses less digits than its factorization.

1331241342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100143.

The product of its digits is 1728, while the sum is 24.

The square root of 1331241342 is about 36486.1801508462. The cubic root of 1331241342 is about 1100.0664813814.

Adding to 1331241342 its reverse (2431421331), we get a palindrome (3762662673).

The spelling of 1331241342 in words is "one billion, three hundred thirty-one million, two hundred forty-one thousand, three hundred forty-two".