432421131 has 12 divisors (see below), whose sum is σ = 586183416. Its totient is φ = 283547520.

The previous prime is 432421111. The next prime is 432421141. The reversal of 432421131 is 131124234.

It is not a de Polignac number, because 432421131 - 2²¹ = 430323979 is a prime.

It is a super-2 number, since 2×432421131² = 373976069070638322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 432421098 and 432421107.

It is not an unprimeable number, because it can be changed into a prime (432421111) 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, 8206 + ... + 30531.

It is an arithmetic number, because the mean of its divisors is an integer number (48848618).

Almost surely, 2^432421131 is an apocalyptic number.

432421131 is a deficient number, since it is larger than the sum of its proper divisors (153762285).

432421131 is an equidigital number, since it uses as much as digits as its factorization.

432421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38862 (or 38801 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 432421131 is about 20794.7380603844. The cubic root of 432421131 is about 756.1981945160.

Adding to 432421131 its reverse (131124234), we get a palindrome (563545365).

The spelling of 432421131 in words is "four hundred thirty-two million, four hundred twenty-one thousand, one hundred thirty-one".