213323221032 has 32 divisors (see below), whose sum is σ = 533574960000. Its totient is φ = 71072152704.

The previous prime is 213323221003. The next prime is 213323221049. The reversal of 213323221032 is 230122323312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 213323220993 and 213323221011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175253 + ... + 2271204.

It is an arithmetic number, because the mean of its divisors is an integer number (16674217500).

Almost surely, 2^213323221032 is an apocalyptic number.

It is an amenable number.

213323221032 is an abundant number, since it is smaller than the sum of its proper divisors (320251738968).

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

213323221032 is a wasteful number, since it uses less digits than its factorization.

213323221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448465 (or 4448461 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213323221032 its reverse (230122323312), we get a palindrome (443445544344).

The spelling of 213323221032 in words is "two hundred thirteen billion, three hundred twenty-three million, two hundred twenty-one thousand, thirty-two".