214431132 has 48 divisors (see below), whose sum is σ = 544108320. Its totient is φ = 65452032.

The previous prime is 214431121. The next prime is 214431137. The reversal of 214431132 is 231134412.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 214431099 and 214431108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214431137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6657 + ... + 21752.

It is an arithmetic number, because the mean of its divisors is an integer number (11335590).

Almost surely, 2^214431132 is an apocalyptic number.

It is an amenable number.

214431132 is an abundant number, since it is smaller than the sum of its proper divisors (329677188).

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

214431132 is a wasteful number, since it uses less digits than its factorization.

214431132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28470 (or 28468 counting only the distinct ones).

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

The square root of 214431132 is about 14643.4672123784. The cubic root of 214431132 is about 598.5438131701.

Adding to 214431132 its reverse (231134412), we get a palindrome (445565544).

The spelling of 214431132 in words is "two hundred fourteen million, four hundred thirty-one thousand, one hundred thirty-two".