431642230 has 16 divisors (see below), whose sum is σ = 790125840. Its totient is φ = 169730272.

The previous prime is 431642227. The next prime is 431642231. The reversal of 431642230 is 32246134.

It is a junction number, because it is equal to n+sod(n) for n = 431642195 and 431642204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431642231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 365209 + ... + 366388.

It is an arithmetic number, because the mean of its divisors is an integer number (49382865).

Almost surely, 2^431642230 is an apocalyptic number.

431642230 is a deficient number, since it is larger than the sum of its proper divisors (358483610).

431642230 is a wasteful number, since it uses less digits than its factorization.

431642230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731663.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 431642230 is about 20776.0012995764. The cubic root of 431642230 is about 755.7438862113.

Adding to 431642230 its reverse (32246134), we get a palindrome (463888364).

The spelling of 431642230 in words is "four hundred thirty-one million, six hundred forty-two thousand, two hundred thirty".