431354530140 has 48 divisors (see below), whose sum is σ = 1227592574880. Its totient is φ = 113142170880.

The previous prime is 431354530121. The next prime is 431354530141. The reversal of 431354530140 is 41035453134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431354530141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58924555 + ... + 58931874.

It is an arithmetic number, because the mean of its divisors is an integer number (25574845310).

Almost surely, 2^431354530140 is an apocalyptic number.

It is an amenable number.

431354530140 is an abundant number, since it is smaller than the sum of its proper divisors (796238044740).

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

431354530140 is a wasteful number, since it uses less digits than its factorization.

431354530140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117856502 (or 117856500 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 431354530140 its reverse (41035453134), we get a palindrome (472389983274).

The spelling of 431354530140 in words is "four hundred thirty-one billion, three hundred fifty-four million, five hundred thirty thousand, one hundred forty".