432221031 has 12 divisors (see below), whose sum is σ = 681075720. Its totient is φ = 261952080.

The previous prime is 432221021. The next prime is 432221047. The reversal of 432221031 is 130122234.

It is not a de Polignac number, because 432221031 - 2¹⁰ = 432220007 is a prime.

It is a super-2 number, since 2×432221031² = 373630039277405922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 432220995 and 432221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432221021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2182836 + ... + 2183033.

It is an arithmetic number, because the mean of its divisors is an integer number (56756310).

Almost surely, 2^432221031 is an apocalyptic number.

432221031 is a deficient number, since it is larger than the sum of its proper divisors (248854689).

432221031 is a wasteful number, since it uses less digits than its factorization.

432221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4365886 (or 4365883 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 432221031 is about 20789.9261903452. The cubic root of 432221031 is about 756.0815346260.

Adding to 432221031 its reverse (130122234), we get a palindrome (562343265).

It can be divided in two parts, 4322210 and 31, that added together give a square (4322241 = 2079²).

The spelling of 432221031 in words is "four hundred thirty-two million, two hundred twenty-one thousand, thirty-one".