30212311203 has 32 divisors (see below), whose sum is σ = 45499924800. Its totient is φ = 19810821888.

The previous prime is 30212311183. The next prime is 30212311229. The reversal of 30212311203 is 30211321203.

It is not a de Polignac number, because 30212311203 - 2¹⁸ = 30212049059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30212311253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365725 + ... + 440657.

It is an arithmetic number, because the mean of its divisors is an integer number (1421872650).

Almost surely, 2^30212311203 is an apocalyptic number.

30212311203 is a deficient number, since it is larger than the sum of its proper divisors (15287613597).

30212311203 is a wasteful number, since it uses less digits than its factorization.

30212311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75188 (or 75182 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30212311203 its reverse (30211321203), we get a palindrome (60423632406).

The spelling of 30212311203 in words is "thirty billion, two hundred twelve million, three hundred eleven thousand, two hundred three".