431021042 has 8 divisors (see below), whose sum is σ = 680559600. Its totient is φ = 204167844.

The previous prime is 431021039. The next prime is 431021051. The reversal of 431021042 is 240120134.

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

It is a self number, because there is not a number n which added to its sum of digits gives 431021042.

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, 5671292 + ... + 5671367.

It is an arithmetic number, because the mean of its divisors is an integer number (85069950).

Almost surely, 2^431021042 is an apocalyptic number.

431021042 is a deficient number, since it is larger than the sum of its proper divisors (249538558).

431021042 is a wasteful number, since it uses less digits than its factorization.

431021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11342680.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 431021042 is about 20761.0462645792. The cubic root of 431021042 is about 755.3811750086.

Adding to 431021042 its reverse (240120134), we get a palindrome (671141176).

It can be divided in two parts, 43102 and 1042, that added together give a palindrome (44144).

The spelling of 431021042 in words is "four hundred thirty-one million, twenty-one thousand, forty-two".