431471332 has 6 divisors (see below), whose sum is σ = 755074838. Its totient is φ = 215735664.

The previous prime is 431471321. The next prime is 431471333. The reversal of 431471332 is 233174134.

It can be written as a sum of positive squares in only one way, i.e., 380406016 + 51065316 = 19504^2 + 7146^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 431471332.

It is not an unprimeable number, because it can be changed into a prime (431471333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53933913 + ... + 53933920.

Almost surely, 2^431471332 is an apocalyptic number.

It is an amenable number.

431471332 is a deficient number, since it is larger than the sum of its proper divisors (323603506).

431471332 is a wasteful number, since it uses less digits than its factorization.

431471332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107867837 (or 107867835 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 431471332 is about 20771.8880220359. Note that the first 3 decimals coincide. The cubic root of 431471332 is about 755.6441337167.

The spelling of 431471332 in words is "four hundred thirty-one million, four hundred seventy-one thousand, three hundred thirty-two".