30001200031312 has 10 divisors (see below), whose sum is σ = 58127325060698. Its totient is φ = 15000600015648.

The previous prime is 30001200031279. The next prime is 30001200031331. The reversal of 30001200031312 is 21313000210003.

It can be written as a sum of positive squares in only one way, i.e., 22506067331136 + 7495132700176 = 4744056^2 + 2737724^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 1875075001957 = 30001200031312 / (3 + 0 + 0 + 0 + 1 + 2 + 0 + 0 + 0 + 3 + 1 + 3 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937537500963 + ... + 937537500994.

Almost surely, 2^{30001200031312} is an apocalyptic number.

It is an amenable number.

30001200031312 is a deficient number, since it is larger than the sum of its proper divisors (28126125029386).

30001200031312 is a wasteful number, since it uses less digits than its factorization.

30001200031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875075001965 (or 1875075001959 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30001200031312 its reverse (21313000210003), we get a palindrome (51314200241315).

The spelling of 30001200031312 in words is "thirty trillion, one billion, two hundred million, thirty-one thousand, three hundred twelve".