213001231232 has 32 divisors (see below), whose sum is σ = 424424550000. Its totient is φ = 106478991360.

The previous prime is 213001231217. The next prime is 213001231237. The reversal of 213001231232 is 232132100312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001231237) 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, 473432 + ... + 806312.

Almost surely, 2^213001231232 is an apocalyptic number.

It is an amenable number.

213001231232 is a deficient number, since it is larger than the sum of its proper divisors (211423318768).

213001231232 is an equidigital number, since it uses as much as digits as its factorization.

213001231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337894 (or 337882 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213001231232 its reverse (232132100312), we get a palindrome (445133331544).

The spelling of 213001231232 in words is "two hundred thirteen billion, one million, two hundred thirty-one thousand, two hundred thirty-two".