32442232431 has 16 divisors (see below), whose sum is σ = 49550496768. Its totient is φ = 18495400800.

The previous prime is 32442232409. The next prime is 32442232447. The reversal of 32442232431 is 13423224423.

It is not a de Polignac number, because 32442232431 - 2⁹ = 32442231919 is a prime.

It is a super-2 number, since 2×32442232431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32442232631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783140 + ... + 1801241.

It is an arithmetic number, because the mean of its divisors is an integer number (3096906048).

Almost surely, 2^32442232431 is an apocalyptic number.

32442232431 is a deficient number, since it is larger than the sum of its proper divisors (17108264337).

32442232431 is a wasteful number, since it uses less digits than its factorization.

32442232431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584822.

The product of its digits is 27648, while the sum is 30.

Adding to 32442232431 its reverse (13423224423), we get a palindrome (45865456854).

The spelling of 32442232431 in words is "thirty-two billion, four hundred forty-two million, two hundred thirty-two thousand, four hundred thirty-one".