210431042 has 16 divisors (see below), whose sum is σ = 332613600. Its totient is φ = 99571680.

The previous prime is 210431027. The next prime is 210431093. The reversal of 210431042 is 240134012.

It is a self number, because there is not a number n which added to its sum of digits gives 210431042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42134 + ... + 46862.

It is an arithmetic number, because the mean of its divisors is an integer number (20788350).

Almost surely, 2^210431042 is an apocalyptic number.

210431042 is a deficient number, since it is larger than the sum of its proper divisors (122182558).

210431042 is a wasteful number, since it uses less digits than its factorization.

210431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921.

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

The square root of 210431042 is about 14506.2414842715. The cubic root of 210431042 is about 594.7985967118.

Adding to 210431042 its reverse (240134012), we get a palindrome (450565054).

The spelling of 210431042 in words is "two hundred ten million, four hundred thirty-one thousand, forty-two".