21031013233032 has 128 divisors (see below), whose sum is σ = 58222998167040. Its totient is φ = 6276878023680.

The previous prime is 21031013233003. The next prime is 21031013233051. The reversal of 21031013233032 is 23033231013012.

21031013233032 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 = 21031013232993 and 21031013233011.

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, 110578803 + ... + 110768829.

It is an arithmetic number, because the mean of its divisors is an integer number (454867173180).

Almost surely, 2^{21031013233032} is an apocalyptic number.

21031013233032 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 21031013233032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29111499083520).

21031013233032 is an abundant number, since it is smaller than the sum of its proper divisors (37191984934008).

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

21031013233032 is a wasteful number, since it uses less digits than its factorization.

21031013233032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196371 (or 196367 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21031013233032 its reverse (23033231013012), we get a palindrome (44064244246044).

The spelling of 21031013233032 in words is "twenty-one trillion, thirty-one billion, thirteen million, two hundred thirty-three thousand, thirty-two".