431343221118 has 16 divisors (see below), whose sum is σ = 913432703760. Its totient is φ = 135323363456.

The previous prime is 431343221063. The next prime is 431343221119. The reversal of 431343221118 is 811122343134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431343221119) 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, 2114427453 + ... + 2114427656.

It is an arithmetic number, because the mean of its divisors is an integer number (57089543985).

Almost surely, 2^431343221118 is an apocalyptic number.

431343221118 is an abundant number, since it is smaller than the sum of its proper divisors (482089482642).

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

431343221118 is a wasteful number, since it uses less digits than its factorization.

431343221118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228855131.

The product of its digits is 13824, while the sum is 33.

The spelling of 431343221118 in words is "four hundred thirty-one billion, three hundred forty-three million, two hundred twenty-one thousand, one hundred eighteen".