431033221140 has 24 divisors (see below), whose sum is σ = 1206893019360. Its totient is φ = 114942192288.

The previous prime is 431033221037. The next prime is 431033221141. The reversal of 431033221140 is 41122330134.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 431033221140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431033221141) 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, 3591943450 + ... + 3591943569.

It is an arithmetic number, because the mean of its divisors is an integer number (50287209140).

Almost surely, 2^431033221140 is an apocalyptic number.

It is an amenable number.

431033221140 is an abundant number, since it is smaller than the sum of its proper divisors (775859798220).

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

431033221140 is a wasteful number, since it uses less digits than its factorization.

431033221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7183887031 (or 7183887029 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 431033221140 its reverse (41122330134), we get a palindrome (472155551274).

The spelling of 431033221140 in words is "four hundred thirty-one billion, thirty-three million, two hundred twenty-one thousand, one hundred forty".