30153221320 has 32 divisors (see below), whose sum is σ = 67870752120. Its totient is φ = 12056665600.

The previous prime is 30153221303. The next prime is 30153221327. The reversal of 30153221320 is 2312235103.

It can be written as a sum of positive squares in 4 ways, for example, as 17891202564 + 12262018756 = 133758^2 + 110734^2 .

It is a super-4 number, since 4×30153221320⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a junction number, because it is equal to n+sod(n) for n = 30153221291 and 30153221300.

It is not an unprimeable number, because it can be changed into a prime (30153221327) 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, 37831 + ... + 248470.

Almost surely, 2^30153221320 is an apocalyptic number.

It is an amenable number.

30153221320 is an abundant number, since it is smaller than the sum of its proper divisors (37717530800).

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

30153221320 is a wasteful number, since it uses less digits than its factorization.

30153221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288945 (or 288941 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 30153221320 its reverse (2312235103), we get a palindrome (32465456423).

The spelling of 30153221320 in words is "thirty billion, one hundred fifty-three million, two hundred twenty-one thousand, three hundred twenty".