213012331032 has 64 divisors (see below), whose sum is σ = 544325184000. Its totient is φ = 69434107520.

The previous prime is 213012331019. The next prime is 213012331121. The reversal of 213012331032 is 230133210312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252219 + ... + 1412117.

It is an arithmetic number, because the mean of its divisors is an integer number (8505081000).

Almost surely, 2^213012331032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213012331032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272162592000).

213012331032 is an abundant number, since it is smaller than the sum of its proper divisors (331312852968).

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

213012331032 is a wasteful number, since it uses less digits than its factorization.

213012331032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161136 (or 161132 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 213012331032 its reverse (230133210312), we get a palindrome (443145541344).

The spelling of 213012331032 in words is "two hundred thirteen billion, twelve million, three hundred thirty-one thousand, thirty-two".