30203132312 has 16 divisors (see below), whose sum is σ = 56766036600. Its totient is φ = 15065522560.

The previous prime is 30203132237. The next prime is 30203132423. The reversal of 30203132312 is 21323130203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4501889 + ... + 4508592.

Almost surely, 2^30203132312 is an apocalyptic number.

It is an amenable number.

30203132312 is a deficient number, since it is larger than the sum of its proper divisors (26562904288).

30203132312 is a wasteful number, since it uses less digits than its factorization.

30203132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010906 (or 9010902 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30203132312 its reverse (21323130203), we get a palindrome (51526262515).

The spelling of 30203132312 in words is "thirty billion, two hundred three million, one hundred thirty-two thousand, three hundred twelve".