32320032131 has 4 divisors (see below), whose sum is σ = 32929844112. Its totient is φ = 31710220152.

The previous prime is 32320032127. The next prime is 32320032133. The reversal of 32320032131 is 13123002323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13123002323 = 229 ⋅57305687.

It is a cyclic number.

It is not a de Polignac number, because 32320032131 - 2² = 32320032127 is a prime.

It is a super-2 number, since 2×32320032131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32320032133) 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 3 ways as a sum of consecutive naturals, for example, 304905911 + ... + 304906016.

It is an arithmetic number, because the mean of its divisors is an integer number (8232461028).

Almost surely, 2^32320032131 is an apocalyptic number.

32320032131 is a deficient number, since it is larger than the sum of its proper divisors (609811981).

32320032131 is an equidigital number, since it uses as much as digits as its factorization.

32320032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609811980.

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

Adding to 32320032131 its reverse (13123002323), we get a palindrome (45443034454).

The spelling of 32320032131 in words is "thirty-two billion, three hundred twenty million, thirty-two thousand, one hundred thirty-one".