30203011312002 has 48 divisors (see below), whose sum is σ = 66085116339840. Its totient is φ = 9968429249856.

The previous prime is 30203011311997. The next prime is 30203011312003. The reversal of 30203011312002 is 20021311030203.

30203011312002 is a `hidden beast` number, since 30 + 2 + 0 + 301 + 131 + 200 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30203011312003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11163318 + ... + 13602414.

It is an arithmetic number, because the mean of its divisors is an integer number (1376773257080).

Almost surely, 2^{30203011312002} is an apocalyptic number.

30203011312002 is an abundant number, since it is smaller than the sum of its proper divisors (35882105027838).

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

30203011312002 is a wasteful number, since it uses less digits than its factorization.

30203011312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445887 (or 2445884 counting only the distinct ones).

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

Adding to 30203011312002 its reverse (20021311030203), we get a palindrome (50224322342205).

The spelling of 30203011312002 in words is "thirty trillion, two hundred three billion, eleven million, three hundred twelve thousand, two".