32120332231 has 4 divisors (see below), whose sum is σ = 34591127032. Its totient is φ = 29649537432.

The previous prime is 32120332207. The next prime is 32120332271. The reversal of 32120332231 is 13223302123.

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 32120332231 - 2⁷ = 32120332103 is a prime.

It is a super-2 number, since 2×32120332231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120332271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235397381 + ... + 1235397406.

It is an arithmetic number, because the mean of its divisors is an integer number (8647781758).

Almost surely, 2^32120332231 is an apocalyptic number.

32120332231 is a deficient number, since it is larger than the sum of its proper divisors (2470794801).

32120332231 is a wasteful number, since it uses less digits than its factorization.

32120332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470794800.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32120332231 its reverse (13223302123), we get a palindrome (45343634354).

The spelling of 32120332231 in words is "thirty-two billion, one hundred twenty million, three hundred thirty-two thousand, two hundred thirty-one".