32432421331 has 4 divisors (see below), whose sum is σ = 32747299312. Its totient is φ = 32117543352.

The previous prime is 32432421311. The next prime is 32432421337. The reversal of 32432421331 is 13312423423.

It is a happy number.

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 32432421331 - 2²³ = 32424032723 is a prime.

It is a super-2 number, since 2×32432421331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32432421331.

It is not an unprimeable number, because it can be changed into a prime (32432421337) 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, 157438836 + ... + 157439041.

It is an arithmetic number, because the mean of its divisors is an integer number (8186824828).

Almost surely, 2^32432421331 is an apocalyptic number.

32432421331 is a deficient number, since it is larger than the sum of its proper divisors (314877981).

32432421331 is a wasteful number, since it uses less digits than its factorization.

32432421331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314877980.

The product of its digits is 10368, while the sum is 28.

Adding to 32432421331 its reverse (13312423423), we get a palindrome (45744844754).

The spelling of 32432421331 in words is "thirty-two billion, four hundred thirty-two million, four hundred twenty-one thousand, three hundred thirty-one".