30321331224 has 32 divisors (see below), whose sum is σ = 77652192240. Its totient is φ = 9860595200.

The previous prime is 30321331207. The next prime is 30321331237. The reversal of 30321331224 is 42213312303.

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 = 30321331194 and 30321331203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15406197 + ... + 15408164.

Almost surely, 2^30321331224 is an apocalyptic number.

It is an amenable number.

30321331224 is an abundant number, since it is smaller than the sum of its proper divisors (47330861016).

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

30321331224 is a wasteful number, since it uses less digits than its factorization.

30321331224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30814411 (or 30814407 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30321331224 its reverse (42213312303), we get a palindrome (72534643527).

The spelling of 30321331224 in words is "thirty billion, three hundred twenty-one million, three hundred thirty-one thousand, two hundred twenty-four".