431944130 has 8 divisors (see below), whose sum is σ = 777499452. Its totient is φ = 172777648.

The previous prime is 431944129. The next prime is 431944141. The reversal of 431944130 is 31449134.

It can be written as a sum of positive squares in 2 ways, for example, as 427538329 + 4405801 = 20677^2 + 2099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 431944093 and 431944102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21597197 + ... + 21597216.

Almost surely, 2^431944130 is an apocalyptic number.

431944130 is a deficient number, since it is larger than the sum of its proper divisors (345555322).

431944130 is a wasteful number, since it uses less digits than its factorization.

431944130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43194420.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 431944130 is about 20783.2656240544. The cubic root of 431944130 is about 755.9200397407.

The spelling of 431944130 in words is "four hundred thirty-one million, nine hundred forty-four thousand, one hundred thirty".