201431032 has 32 divisors (see below), whose sum is σ = 422074800. Its totient is φ = 89324800.

The previous prime is 201431029. The next prime is 201431053. The reversal of 201431032 is 230134102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201430997 and 201431015.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 24307 + ... + 31522.

Almost surely, 2^201431032 is an apocalyptic number.

201431032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201431032 is an abundant number, since it is smaller than the sum of its proper divisors (220643768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201431032 is a wasteful number, since it uses less digits than its factorization.

201431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55887 (or 55883 counting only the distinct ones).

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

The square root of 201431032 is about 14192.6400644841. The cubic root of 201431032 is about 586.1950218112.

Adding to 201431032 its reverse (230134102), we get a palindrome (431565134).

The spelling of 201431032 in words is "two hundred one million, four hundred thirty-one thousand, thirty-two".