30310303012 has 18 divisors (see below), whose sum is σ = 58303497014. Its totient is φ = 13777410240.

The previous prime is 30310302947. The next prime is 30310303013. The reversal of 30310303012 is 21030301303.

It can be written as a sum of positive squares in only one way, i.e., 27720918016 + 2589384996 = 166496^2 + 50886^2 .

It is not an unprimeable number, because it can be changed into a prime (30310303013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31311813 + ... + 31312780.

Almost surely, 2^30310303012 is an apocalyptic number.

It is an amenable number.

30310303012 is a deficient number, since it is larger than the sum of its proper divisors (27993194002).

30310303012 is a wasteful number, since it uses less digits than its factorization.

30310303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62624619 (or 62624606 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 30310303012 its reverse (21030301303), we get a palindrome (51340604315).

The spelling of 30310303012 in words is "thirty billion, three hundred ten million, three hundred three thousand, twelve".