30231220330 has 16 divisors (see below), whose sum is σ = 54436041000. Its totient is φ = 12088078272.

The previous prime is 30231220303. The next prime is 30231220339. The reversal of 30231220330 is 3302213203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13111853049 + 17119367281 = 114507^2 + 130841^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30231220298 and 30231220307.

It is not an unprimeable number, because it can be changed into a prime (30231220339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522369 + ... + 577348.

Almost surely, 2^30231220330 is an apocalyptic number.

30231220330 is a deficient number, since it is larger than the sum of its proper divisors (24204820670).

30231220330 is a wasteful number, since it uses less digits than its factorization.

30231220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102473.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30231220330 its reverse (3302213203), we get a palindrome (33533433533).

The spelling of 30231220330 in words is "thirty billion, two hundred thirty-one million, two hundred twenty thousand, three hundred thirty".