30231130332 has 72 divisors (see below), whose sum is σ = 76581151920. Its totient is φ = 9277731840.

The previous prime is 30231130331. The next prime is 30231130373. The reversal of 30231130332 is 23303113203.

It is a junction number, because it is equal to n+sod(n) for n = 30231130299 and 30231130308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231130331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769732 + ... + 808052.

It is an arithmetic number, because the mean of its divisors is an integer number (1063627110).

Almost surely, 2^30231130332 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 30231130332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38290575960).

30231130332 is an abundant number, since it is smaller than the sum of its proper divisors (46350021588).

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

30231130332 is a wasteful number, since it uses less digits than its factorization.

30231130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38743 (or 38728 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30231130332 its reverse (23303113203), we get a palindrome (53534243535).

The spelling of 30231130332 in words is "thirty billion, two hundred thirty-one million, one hundred thirty thousand, three hundred thirty-two".