213220430104 has 32 divisors (see below), whose sum is σ = 436153410000. Its totient is φ = 96913774720.

The previous prime is 213220430083. The next prime is 213220430113. The reversal of 213220430104 is 401034022312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398254 + ... + 2485570.

Almost surely, 2^213220430104 is an apocalyptic number.

It is an amenable number.

213220430104 is an abundant number, since it is smaller than the sum of its proper divisors (222932979896).

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

213220430104 is a wasteful number, since it uses less digits than its factorization.

213220430104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115083 (or 115079 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213220430104 its reverse (401034022312), we get a palindrome (614254452416).

The spelling of 213220430104 in words is "two hundred thirteen billion, two hundred twenty million, four hundred thirty thousand, one hundred four".