210113312 has 24 divisors (see below), whose sum is σ = 422464896. Its totient is φ = 102820672.

The previous prime is 210113311. The next prime is 210113317. The reversal of 210113312 is 213311012.

It is not an unprimeable number, because it can be changed into a prime (210113311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68348 + ... + 71355.

It is an arithmetic number, because the mean of its divisors is an integer number (17602704).

Almost surely, 2^210113312 is an apocalyptic number.

It is an amenable number.

210113312 is an abundant number, since it is smaller than the sum of its proper divisors (212351584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210113312 is a wasteful number, since it uses less digits than its factorization.

210113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139760 (or 139752 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 210113312 is about 14495.2858543735. The cubic root of 210113312 is about 594.4990836226.

Adding to 210113312 its reverse (213311012), we get a palindrome (423424324).

The spelling of 210113312 in words is "two hundred ten million, one hundred thirteen thousand, three hundred twelve".