32131343 has 4 divisors (see below), whose sum is σ = 34021440. Its totient is φ = 30241248.

The previous prime is 32131313. The next prime is 32131349. The reversal of 32131343 is 34313123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32131343 - 2⁶ = 32131279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945023 + ... + 945056.

It is an arithmetic number, because the mean of its divisors is an integer number (8505360).

Almost surely, 2^32131343 is an apocalyptic number.

32131343 is a deficient number, since it is larger than the sum of its proper divisors (1890097).

32131343 is a wasteful number, since it uses less digits than its factorization.

32131343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890096.

The product of its digits is 648, while the sum is 20.

The square root of 32131343 is about 5668.4515522319. The cubic root of 32131343 is about 317.9139800033.

Adding to 32131343 its reverse (34313123), we get a palindrome (66444466).

The spelling of 32131343 in words is "thirty-two million, one hundred thirty-one thousand, three hundred forty-three".