32231204431 has 2 divisors, whose sum is σ = 32231204432. Its totient is φ = 32231204430.

The previous prime is 32231204419. The next prime is 32231204437. The reversal of 32231204431 is 13440213223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32231204431 - 2²⁵ = 32197649999 is a prime.

It is a super-2 number, since 2×32231204431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32231204396 and 32231204405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32231204437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16115602215 + 16115602216.

It is an arithmetic number, because the mean of its divisors is an integer number (16115602216).

Almost surely, 2^32231204431 is an apocalyptic number.

32231204431 is a deficient number, since it is larger than the sum of its proper divisors (1).

32231204431 is an equidigital number, since it uses as much as digits as its factorization.

32231204431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 32231204431 its reverse (13440213223), we get a palindrome (45671417654).

The spelling of 32231204431 in words is "thirty-two billion, two hundred thirty-one million, two hundred four thousand, four hundred thirty-one".