30231321330 has 64 divisors (see below), whose sum is σ = 83015251200. Its totient is φ = 6902095104.

The previous prime is 30231321251. The next prime is 30231321377. The reversal of 30231321330 is 3312313203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30231321297 and 30231321306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102096 + ... + 266244.

It is an arithmetic number, because the mean of its divisors is an integer number (1297113300).

Almost surely, 2^30231321330 is an apocalyptic number.

30231321330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30231321330 is an abundant number, since it is smaller than the sum of its proper divisors (52783929870).

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

30231321330 is a wasteful number, since it uses less digits than its factorization.

30231321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165043.

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

Adding to 30231321330 its reverse (3312313203), we get a palindrome (33543634533).

The spelling of 30231321330 in words is "thirty billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred thirty".