213101443044 has 72 divisors (see below), whose sum is σ = 618268734720. Its totient is φ = 60624796032.

The previous prime is 213101442971. The next prime is 213101443103. The reversal of 213101443044 is 440344101312.

213101443044 is a `hidden beast` number, since 2 + 1 + 310 + 1 + 44 + 304 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 213101442999 and 213101443017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1755964 + ... + 1873395.

It is an arithmetic number, because the mean of its divisors is an integer number (8587065760).

Almost surely, 2^213101443044 is an apocalyptic number.

It is an amenable number.

213101443044 is an abundant number, since it is smaller than the sum of its proper divisors (405167291676).

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

213101443044 is a wasteful number, since it uses less digits than its factorization.

213101443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629609 (or 3629604 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 213101443044 its reverse (440344101312), we get a palindrome (653445544356).

The spelling of 213101443044 in words is "two hundred thirteen billion, one hundred one million, four hundred forty-three thousand, forty-four".