431301204242 has 8 divisors (see below), whose sum is σ = 646979410236. Its totient is φ = 215641400832.

The previous prime is 431301204227. The next prime is 431301204287. The reversal of 431301204242 is 242402103134.

It can be written as a sum of positive squares in 2 ways, for example, as 400588992241 + 30712212001 = 632921^2 + 175249^2 .

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

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, 4541903 + ... + 4635890.

Almost surely, 2^431301204242 is an apocalyptic number.

431301204242 is a deficient number, since it is larger than the sum of its proper divisors (215678205994).

431301204242 is a wasteful number, since it uses less digits than its factorization.

431301204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201292.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 431301204242 its reverse (242402103134), we get a palindrome (673703307376).

The spelling of 431301204242 in words is "four hundred thirty-one billion, three hundred one million, two hundred four thousand, two hundred forty-two".