431140022120 has 32 divisors (see below), whose sum is σ = 990704736000. Its totient is φ = 168786731328.

The previous prime is 431140022111. The next prime is 431140022143. The reversal of 431140022120 is 21220041134.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 431140022092 and 431140022101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114663020 + ... + 114666779.

It is an arithmetic number, because the mean of its divisors is an integer number (30959523000).

Almost surely, 2^431140022120 is an apocalyptic number.

431140022120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431140022120 is an abundant number, since it is smaller than the sum of its proper divisors (559564713880).

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

431140022120 is a wasteful number, since it uses less digits than its factorization.

431140022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229329857 (or 229329853 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 431140022120 its reverse (21220041134), we get a palindrome (452360063254).

The spelling of 431140022120 in words is "four hundred thirty-one billion, one hundred forty million, twenty-two thousand, one hundred twenty".