32012020231 has 4 divisors (see below), whose sum is σ = 32305708600. Its totient is φ = 31718331864.

The previous prime is 32012020223. The next prime is 32012020273. The reversal of 32012020231 is 13202021023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13202021023 = 37 ⋅356811379.

It is a cyclic number.

It is not a de Polignac number, because 32012020231 - 2³ = 32012020223 is a prime.

It is a super-2 number, since 2×32012020231² (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 (32012020031) 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, 146844021 + ... + 146844238.

It is an arithmetic number, because the mean of its divisors is an integer number (8076427150).

Almost surely, 2^32012020231 is an apocalyptic number.

32012020231 is a deficient number, since it is larger than the sum of its proper divisors (293688369).

32012020231 is a wasteful number, since it uses less digits than its factorization.

32012020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293688368.

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

Adding to 32012020231 its reverse (13202021023), we get a palindrome (45214041254).

The spelling of 32012020231 in words is "thirty-two billion, twelve million, twenty thousand, two hundred thirty-one".