30031102120 has 16 divisors (see below), whose sum is σ = 67569979860. Its totient is φ = 12012440832.

The previous prime is 30031102111. The next prime is 30031102147. The reversal of 30031102120 is 2120113003.

It can be written as a sum of positive squares in 2 ways, for example, as 29748660484 + 282441636 = 172478^2 + 16806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30031102120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375388737 + ... + 375388816.

Almost surely, 2^30031102120 is an apocalyptic number.

It is an amenable number.

30031102120 is an abundant number, since it is smaller than the sum of its proper divisors (37538877740).

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

30031102120 is a wasteful number, since it uses less digits than its factorization.

30031102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750777564 (or 750777560 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30031102120 its reverse (2120113003), we get a palindrome (32151215123).

The spelling of 30031102120 in words is "thirty billion, thirty-one million, one hundred two thousand, one hundred twenty".