213133023104 has 32 divisors (see below), whose sum is σ = 424695974040. Its totient is φ = 106542661120.

The previous prime is 213133023043. The next prime is 213133023107. The reversal of 213133023104 is 401320331312.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 213133023104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213133023107) 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, 394874 + ... + 763014.

Almost surely, 2^213133023104 is an apocalyptic number.

It is an amenable number.

213133023104 is a deficient number, since it is larger than the sum of its proper divisors (211562950936).

213133023104 is an equidigital number, since it uses as much as digits as its factorization.

213133023104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372678 (or 372666 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213133023104 its reverse (401320331312), we get a palindrome (614453354416).

The spelling of 213133023104 in words is "two hundred thirteen billion, one hundred thirty-three million, twenty-three thousand, one hundred four".