32421032231 has 48 divisors (see below), whose sum is σ = 41733247680. Its totient is φ = 24979046400.

The previous prime is 32421032221. The next prime is 32421032233. The reversal of 32421032231 is 13223012423.

It is not a de Polignac number, because 32421032231 - 2⁶ = 32421032167 is a prime.

It is a super-2 number, since 2×32421032231² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32421032197 and 32421032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32421032233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23009255 + ... + 23010663.

It is an arithmetic number, because the mean of its divisors is an integer number (869442660).

Almost surely, 2^32421032231 is an apocalyptic number.

32421032231 is a deficient number, since it is larger than the sum of its proper divisors (9312215449).

32421032231 is a wasteful number, since it uses less digits than its factorization.

32421032231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 32421032231 its reverse (13223012423), we get a palindrome (45644044654).

The spelling of 32421032231 in words is "thirty-two billion, four hundred twenty-one million, thirty-two thousand, two hundred thirty-one".