431034242 has 4 divisors (see below), whose sum is σ = 646551366. Its totient is φ = 215517120.

The previous prime is 431034229. The next prime is 431034251. The reversal of 431034242 is 242430134.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242430134 = 2 ⋅121215067.

It can be written as a sum of positive squares in only one way, i.e., 335952241 + 95082001 = 18329^2 + 9751^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107758559 + ... + 107758562.

Almost surely, 2^431034242 is an apocalyptic number.

431034242 is a deficient number, since it is larger than the sum of its proper divisors (215517124).

431034242 is a wasteful number, since it uses less digits than its factorization.

431034242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215517123.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 431034242 is about 20761.3641651988. The cubic root of 431034242 is about 755.3888861014.

Adding to 431034242 its reverse (242430134), we get a palindrome (673464376).

The spelling of 431034242 in words is "four hundred thirty-one million, thirty-four thousand, two hundred forty-two".