30203131101012 has 36 divisors (see below), whose sum is σ = 76347357311316. Its totient is φ = 10067637352320.

The previous prime is 30203131101007. The next prime is 30203131101041. The reversal of 30203131101012 is 21010113130203.

30203131101012 is a `hidden beast` number, since 302 + 0 + 31 + 311 + 0 + 10 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 171898135236 + 30031232965776 = 414606^2 + 5480076^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110098 + ... + 8053494.

Almost surely, 2^{30203131101012} is an apocalyptic number.

It is an amenable number.

30203131101012 is an abundant number, since it is smaller than the sum of its proper divisors (46144226210304).

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

30203131101012 is a wasteful number, since it uses less digits than its factorization.

30203131101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084568 (or 6084563 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 30203131101012 its reverse (21010113130203), we get a palindrome (51213244231215).

The spelling of 30203131101012 in words is "thirty trillion, two hundred three billion, one hundred thirty-one million, one hundred one thousand, twelve".