431131042 has 8 divisors (see below), whose sum is σ = 657298332. Its totient is φ = 212031600.

The previous prime is 431131039. The next prime is 431131049. The reversal of 431131042 is 240131134.

It can be written as a sum of positive squares in 2 ways, for example, as 378263601 + 52867441 = 19449^2 + 7271^2 .

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

It is not an unprimeable number, because it can be changed into a prime (431131049) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1766809 + ... + 1767052.

Almost surely, 2^431131042 is an apocalyptic number.

431131042 is a deficient number, since it is larger than the sum of its proper divisors (226167290).

431131042 is a wasteful number, since it uses less digits than its factorization.

431131042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533924.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 431131042 is about 20763.6952876890. The cubic root of 431131042 is about 755.4454293052.

Adding to 431131042 its reverse (240131134), we get a palindrome (671262176).

It can be divided in two parts, 4311 and 31042, that added together give a palindrome (35353).

The spelling of 431131042 in words is "four hundred thirty-one million, one hundred thirty-one thousand, forty-two".