21032311132 has 48 divisors (see below), whose sum is σ = 43532536320. Its totient is φ = 8699544000.

The previous prime is 21032311109. The next prime is 21032311151. The reversal of 21032311132 is 23111323012.

It is a super-2 number, since 2×21032311132² (a number of 21 digits) contains 22 as substring.

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, 3416257 + ... + 3422407.

It is an arithmetic number, because the mean of its divisors is an integer number (906927840).

Almost surely, 2^21032311132 is an apocalyptic number.

It is an amenable number.

21032311132 is an abundant number, since it is smaller than the sum of its proper divisors (22500225188).

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

21032311132 is a wasteful number, since it uses less digits than its factorization.

21032311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402 (or 10400 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21032311132 its reverse (23111323012), we get a palindrome (44143634144).

The spelling of 21032311132 in words is "twenty-one billion, thirty-two million, three hundred eleven thousand, one hundred thirty-two".