30331003113012 has 96 divisors (see below), whose sum is σ = 84418733516544. Its totient is φ = 8295113548800.

The previous prime is 30331003112987. The next prime is 30331003113013. The reversal of 30331003113012 is 21031130013303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30331003113012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331003113013) 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, 82901539 + ... + 83266602.

It is an arithmetic number, because the mean of its divisors is an integer number (879361807464).

Almost surely, 2^{30331003113012} is an apocalyptic number.

It is an amenable number.

30331003113012 is an abundant number, since it is smaller than the sum of its proper divisors (54087730403532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30331003113012 is a wasteful number, since it uses less digits than its factorization.

30331003113012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166168249 (or 166168247 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30331003113012 its reverse (21031130013303), we get a palindrome (51362133126315).

The spelling of 30331003113012 in words is "thirty trillion, three hundred thirty-one billion, three million, one hundred thirteen thousand, twelve".