432115331 has 2 divisors, whose sum is σ = 432115332. Its totient is φ = 432115330.

The previous prime is 432115303. The next prime is 432115357. The reversal of 432115331 is 133511234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432115331 is a prime.

It is a super-2 number, since 2×432115331² = 373447318570479122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 432115297 and 432115306.

It is not a weakly prime, because it can be changed into another prime (432117331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216057665 + 216057666.

It is an arithmetic number, because the mean of its divisors is an integer number (216057666).

Almost surely, 2^432115331 is an apocalyptic number.

432115331 is a deficient number, since it is larger than the sum of its proper divisors (1).

432115331 is an equidigital number, since it uses as much as digits as its factorization.

432115331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 432115331 is about 20787.3839383411. The cubic root of 432115331 is about 756.0198961525.

Adding to 432115331 its reverse (133511234), we get a palindrome (565626565).

The spelling of 432115331 in words is "four hundred thirty-two million, one hundred fifteen thousand, three hundred thirty-one".