213101044 has 12 divisors (see below), whose sum is σ = 401613604. Its totient is φ = 98354304.

The previous prime is 213101029. The next prime is 213101051. The reversal of 213101044 is 440101312.

It can be written as a sum of positive squares in 2 ways, for example, as 143712144 + 69388900 = 11988^2 + 8330^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048997 + ... + 2049100.

Almost surely, 2^213101044 is an apocalyptic number.

It is an amenable number.

213101044 is a deficient number, since it is larger than the sum of its proper divisors (188512560).

213101044 is a wasteful number, since it uses less digits than its factorization.

213101044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098114 (or 4098112 counting only the distinct ones).

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

The square root of 213101044 is about 14597.9808192777. The cubic root of 213101044 is about 597.3036827542.

Adding to 213101044 its reverse (440101312), we get a palindrome (653202356).

The spelling of 213101044 in words is "two hundred thirteen million, one hundred one thousand, forty-four".