30121113320 has 32 divisors (see below), whose sum is σ = 70109490600. Its totient is φ = 11632981248.

The previous prime is 30121113313. The next prime is 30121113361. The reversal of 30121113320 is 2331112103.

It can be written as a sum of positive squares in 4 ways, for example, as 28445520964 + 1675592356 = 168658^2 + 40934^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12982079 + ... + 12984398.

Almost surely, 2^30121113320 is an apocalyptic number.

It is an amenable number.

30121113320 is an abundant number, since it is smaller than the sum of its proper divisors (39988377280).

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

30121113320 is a wasteful number, since it uses less digits than its factorization.

30121113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25966517 (or 25966513 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30121113320 its reverse (2331112103), we get a palindrome (32452225423).

The spelling of 30121113320 in words is "thirty billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred twenty".