32131121 has 8 divisors (see below), whose sum is σ = 35546688. Its totient is φ = 28798000.

The previous prime is 32131111. The next prime is 32131181. The reversal of 32131121 is 12113123.

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

It is not a de Polignac number, because 32131121 - 2¹⁴ = 32114737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32131096 and 32131105.

It is not an unprimeable number, because it can be changed into a prime (32131111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19790 + ... + 21351.

It is an arithmetic number, because the mean of its divisors is an integer number (4443336).

Almost surely, 2^32131121 is an apocalyptic number.

It is an amenable number.

32131121 is a deficient number, since it is larger than the sum of its proper divisors (3415567).

32131121 is a wasteful number, since it uses less digits than its factorization.

32131121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41223.

The product of its digits is 36, while the sum is 14.

The square root of 32131121 is about 5668.4319701307. The cubic root of 32131121 is about 317.9132478307.

Adding to 32131121 its reverse (12113123), we get a palindrome (44244244).

It can be divided in two parts, 3213 and 1121, that added together give a palindrome (4334).

The spelling of 32131121 in words is "thirty-two million, one hundred thirty-one thousand, one hundred twenty-one".