30103002312 has 32 divisors (see below), whose sum is σ = 75295500000. Its totient is φ = 10029268224.

The previous prime is 30103002311. The next prime is 30103002337. The reversal of 30103002312 is 21320030103.

It is a junction number, because it is equal to n+sod(n) for n = 30103002291 and 30103002300.

It is not an unprimeable number, because it can be changed into a prime (30103002311) 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, 267937 + ... + 363312.

It is an arithmetic number, because the mean of its divisors is an integer number (2352984375).

Almost surely, 2^30103002312 is an apocalyptic number.

It is an amenable number.

30103002312 is an abundant number, since it is smaller than the sum of its proper divisors (45192497688).

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

30103002312 is a wasteful number, since it uses less digits than its factorization.

30103002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633245 (or 633241 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30103002312 its reverse (21320030103), we get a palindrome (51423032415).

The spelling of 30103002312 in words is "thirty billion, one hundred three million, two thousand, three hundred twelve".