431022012 has 96 divisors (see below), whose sum is σ = 1129101120. Its totient is φ = 127303680.

The previous prime is 431021959. The next prime is 431022017. The reversal of 431022012 is 210220134.

It is a junction number, because it is equal to n+sod(n) for n = 431021982 and 431022000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431022017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241668 + ... + 243444.

It is an arithmetic number, because the mean of its divisors is an integer number (11761470).

Almost surely, 2^431022012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431022012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564550560).

431022012 is an abundant number, since it is smaller than the sum of its proper divisors (698079108).

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

431022012 is a wasteful number, since it uses less digits than its factorization.

431022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1869 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 431022012 is about 20761.0696256238. The cubic root of 431022012 is about 755.3817416624.

Adding to 431022012 its reverse (210220134), we get a palindrome (641242146).

The spelling of 431022012 in words is "four hundred thirty-one million, twenty-two thousand, twelve".