30231131224 has 64 divisors (see below), whose sum is σ = 66398875200. Its totient is φ = 12632985600.

The previous prime is 30231131219. The next prime is 30231131261. The reversal of 30231131224 is 42213113203.

It is a junction number, because it is equal to n+sod(n) for n = 30231131195 and 30231131204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6401184 + ... + 6405904.

It is an arithmetic number, because the mean of its divisors is an integer number (1037482425).

Almost surely, 2^30231131224 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 30231131224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33199437600).

30231131224 is an abundant number, since it is smaller than the sum of its proper divisors (36167743976).

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

30231131224 is a wasteful number, since it uses less digits than its factorization.

30231131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564 (or 7560 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30231131224 its reverse (42213113203), we get a palindrome (72444244427).

The spelling of 30231131224 in words is "thirty billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred twenty-four".