213001104 has 20 divisors (see below), whose sum is σ = 550252976. Its totient is φ = 71000352.

The previous prime is 213001073. The next prime is 213001121. The reversal of 213001104 is 401100312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 213001104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2218714 + ... + 2218809.

Almost surely, 2^213001104 is an apocalyptic number.

213001104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213001104 is an abundant number, since it is smaller than the sum of its proper divisors (337251872).

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

213001104 is a wasteful number, since it uses less digits than its factorization.

213001104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437534 (or 4437528 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 213001104 is about 14594.5573416942. The cubic root of 213001104 is about 597.2102937790.

Adding to 213001104 its reverse (401100312), we get a palindrome (614101416).

The spelling of 213001104 in words is "two hundred thirteen million, one thousand, one hundred four".