213113232332 has 96 divisors (see below), whose sum is σ = 500878909440. Its totient is φ = 76623102720.

The previous prime is 213113232289. The next prime is 213113232349. The reversal of 213113232332 is 233232311312.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28460693 + ... + 28468179.

It is an arithmetic number, because the mean of its divisors is an integer number (5217488640).

Almost surely, 2^213113232332 is an apocalyptic number.

213113232332 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 213113232332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250439454720).

213113232332 is an abundant number, since it is smaller than the sum of its proper divisors (287765677108).

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

213113232332 is a wasteful number, since it uses less digits than its factorization.

213113232332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14631 (or 14629 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 213113232332 its reverse (233232311312), we get a palindrome (446345543644).

The spelling of 213113232332 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred thirty-two thousand, three hundred thirty-two".