21233130031032 has 192 divisors, whose sum is σ = 56990967552000. Its totient is φ = 6589502696448.

The previous prime is 21233130031027. The next prime is 21233130031037. The reversal of 21233130031032 is 23013003133212.

It is an interprime number because it is at equal distance from previous prime (21233130031027) and next prime (21233130031037).

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 = 21233130030993 and 21233130031011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233130031037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3107435488 + ... + 3107442320.

It is an arithmetic number, because the mean of its divisors is an integer number (296827956000).

Almost surely, 2^{21233130031032} 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 21233130031032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28495483776000).

21233130031032 is an abundant number, since it is smaller than the sum of its proper divisors (35757837520968).

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

21233130031032 is a wasteful number, since it uses less digits than its factorization.

21233130031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018 (or 12995 counting only the distinct ones).

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

Adding to 21233130031032 its reverse (23013003133212), we get a palindrome (44246133164244).

The spelling of 21233130031032 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred thirty million, thirty-one thousand, thirty-two".