2131342 has 8 divisors (see below), whose sum is σ = 3257496. Its totient is φ = 1045512.

The previous prime is 2131321. The next prime is 2131361. The reversal of 2131342 is 2431312.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9948 + ... + 10159.

It is an arithmetic number, because the mean of its divisors is an integer number (407187).

2^2131342 is an apocalyptic number.

2131342 is a deficient number, since it is larger than the sum of its proper divisors (1126154).

2131342 is a wasteful number, since it uses less digits than its factorization.

2131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20162.

The product of its digits is 144, while the sum is 16.

The square root of 2131342 is about 1459.9116411619. The cubic root of 2131342 is about 128.6918510783.

Adding to 2131342 its reverse (2431312), we get a palindrome (4562654).

The spelling of 2131342 in words is "two million, one hundred thirty-one thousand, three hundred forty-two".