431328212 has 24 divisors (see below), whose sum is σ = 881013504. Its totient is φ = 180921312.

The previous prime is 431328137. The next prime is 431328217. The reversal of 431328212 is 212823134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431328217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162563 + ... + 165194.

It is an arithmetic number, because the mean of its divisors is an integer number (36708896).

Almost surely, 2^431328212 is an apocalyptic number.

It is an amenable number.

431328212 is an abundant number, since it is smaller than the sum of its proper divisors (449685292).

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

431328212 is a wasteful number, since it uses less digits than its factorization.

431328212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327815 (or 327813 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 431328212 is about 20768.4426955899. The cubic root of 431328212 is about 755.5605748641.

The spelling of 431328212 in words is "four hundred thirty-one million, three hundred twenty-eight thousand, two hundred twelve".