210431122 has 16 divisors (see below), whose sum is σ = 347563872. Its totient is φ = 94755520.

The previous prime is 210431101. The next prime is 210431129. The reversal of 210431122 is 221134012.

It is a junction number, because it is equal to n+sod(n) for n = 210431096 and 210431105.

It is not an unprimeable number, because it can be changed into a prime (210431129) 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 7 ways as a sum of consecutive naturals, for example, 42343 + ... + 47050.

It is an arithmetic number, because the mean of its divisors is an integer number (21722742).

Almost surely, 2^210431122 is an apocalyptic number.

210431122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210431122 is a deficient number, since it is larger than the sum of its proper divisors (137132750).

210431122 is a wasteful number, since it uses less digits than its factorization.

210431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89513.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 210431122 is about 14506.2442417050. The cubic root of 210431122 is about 594.7986720871.

Adding to 210431122 its reverse (221134012), we get a palindrome (431565134).

The spelling of 210431122 in words is "two hundred ten million, four hundred thirty-one thousand, one hundred twenty-two".