213231303032 has 64 divisors (see below), whose sum is σ = 442631347200. Its totient is φ = 95493104640.

The previous prime is 213231303023. The next prime is 213231303091. The reversal of 213231303032 is 230303132312.

It is a super-2 number, since 2×213231303032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213231302989 and 213231303007.

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, 1847519 + ... + 1959537.

It is an arithmetic number, because the mean of its divisors is an integer number (6916114800).

Almost surely, 2^213231303032 is an apocalyptic number.

213231303032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213231303032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221315673600).

213231303032 is an abundant number, since it is smaller than the sum of its proper divisors (229400044168).

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

213231303032 is a wasteful number, since it uses less digits than its factorization.

213231303032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112356 (or 112352 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213231303032 its reverse (230303132312), we get a palindrome (443534435344).

The spelling of 213231303032 in words is "two hundred thirteen billion, two hundred thirty-one million, three hundred three thousand, thirty-two".