213700110 has 64 divisors (see below), whose sum is σ = 565221888. Its totient is φ = 51375744.

The previous prime is 213700103. The next prime is 213700111. The reversal of 213700110 is 11007312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213700110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213700111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10399 + ... + 23141.

It is an arithmetic number, because the mean of its divisors is an integer number (8831592).

Almost surely, 2^213700110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213700110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282610944).

213700110 is an abundant number, since it is smaller than the sum of its proper divisors (351521778).

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

213700110 is a wasteful number, since it uses less digits than its factorization.

213700110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12809.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 213700110 is about 14618.4852156439. The cubic root of 213700110 is about 597.8628690456.

Adding to 213700110 its reverse (11007312), we get a palindrome (224707422).

The spelling of 213700110 in words is "two hundred thirteen million, seven hundred thousand, one hundred ten".