30231131130 has 96 divisors (see below), whose sum is σ = 79543451520. Its totient is φ = 7965302400.

The previous prime is 30231131129. The next prime is 30231131131. The reversal of 30231131130 is 3113113203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30231131129) and next prime (30231131131).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30231131131) 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, 4750891 + ... + 4757249.

It is an arithmetic number, because the mean of its divisors is an integer number (828577620).

Almost surely, 2^30231131130 is an apocalyptic number.

30231131130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30231131130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39771725760).

30231131130 is an abundant number, since it is smaller than the sum of its proper divisors (49312320390).

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

30231131130 is a wasteful number, since it uses less digits than its factorization.

30231131130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996 (or 6993 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30231131130 its reverse (3113113203), we get a palindrome (33344244333).

The spelling of 30231131130 in words is "thirty billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty".