32002442231 has 2 divisors, whose sum is σ = 32002442232. Its totient is φ = 32002442230.

The previous prime is 32002442207. The next prime is 32002442291. The reversal of 32002442231 is 13224420023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32002442231 is a prime.

It is a super-2 number, since 2×32002442231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32002442197 and 32002442206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32002442201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16001221115 + 16001221116.

It is an arithmetic number, because the mean of its divisors is an integer number (16001221116).

Almost surely, 2^32002442231 is an apocalyptic number.

32002442231 is a deficient number, since it is larger than the sum of its proper divisors (1).

32002442231 is an equidigital number, since it uses as much as digits as its factorization.

32002442231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32002442231 its reverse (13224420023), we get a palindrome (45226862254).

The spelling of 32002442231 in words is "thirty-two billion, two million, four hundred forty-two thousand, two hundred thirty-one".