30030020312 has 8 divisors (see below), whose sum is σ = 56306288100. Its totient is φ = 15015010152.

The previous prime is 30030020309. The next prime is 30030020329. The reversal of 30030020312 is 21302003003.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876876262 + ... + 1876876277.

Almost surely, 2^30030020312 is an apocalyptic number.

It is an amenable number.

30030020312 is a deficient number, since it is larger than the sum of its proper divisors (26276267788).

30030020312 is a wasteful number, since it uses less digits than its factorization.

30030020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753752545 (or 3753752541 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30030020312 its reverse (21302003003), we get a palindrome (51332023315).

The spelling of 30030020312 in words is "thirty billion, thirty million, twenty thousand, three hundred twelve".