201431432 has 16 divisors (see below), whose sum is σ = 378184140. Its totient is φ = 100582336.

The previous prime is 201431431. The next prime is 201431449. The reversal of 201431432 is 234134102.

It can be written as a sum of positive squares in 2 ways, for example, as 134420836 + 67010596 = 11594^2 + 8186^2 .

It is not an unprimeable number, because it can be changed into a prime (201431431) 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, 10103 + ... + 22470.

Almost surely, 2^201431432 is an apocalyptic number.

It is an amenable number.

201431432 is a deficient number, since it is larger than the sum of its proper divisors (176752708).

201431432 is a wasteful number, since it uses less digits than its factorization.

201431432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33352 (or 33348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 201431432 is about 14192.6541562880. The cubic root of 201431432 is about 586.1954098313.

Adding to 201431432 its reverse (234134102), we get a palindrome (435565534).

The spelling of 201431432 in words is "two hundred one million, four hundred thirty-one thousand, four hundred thirty-two".