432020311 has 4 divisors (see below), whose sum is σ = 436057992. Its totient is φ = 427982632.

The previous prime is 432020291. The next prime is 432020327. The reversal of 432020311 is 113020234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432020311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432020411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018680 + ... + 2018893.

It is an arithmetic number, because the mean of its divisors is an integer number (109014498).

Almost surely, 2^432020311 is an apocalyptic number.

432020311 is a deficient number, since it is larger than the sum of its proper divisors (4037681).

432020311 is a wasteful number, since it uses less digits than its factorization.

432020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037680.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 432020311 is about 20785.0982918051. The cubic root of 432020311 is about 755.9644770922.

Adding to 432020311 its reverse (113020234), we get a palindrome (545040545).

The spelling of 432020311 in words is "four hundred thirty-two million, twenty thousand, three hundred eleven".