30143131011 has 72 divisors (see below), whose sum is σ = 52457393664. Its totient is φ = 16619914080.

The previous prime is 30143131009. The next prime is 30143131037. The reversal of 30143131011 is 11013134103.

30143131011 is a `hidden beast` number, since 301 + 43 + 1 + 310 + 11 = 666.

It is not a de Polignac number, because 30143131011 - 2¹ = 30143131009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30143130011) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 1461376 + ... + 1481858.

It is an arithmetic number, because the mean of its divisors is an integer number (728574912).

Almost surely, 2^30143131011 is an apocalyptic number.

30143131011 is a deficient number, since it is larger than the sum of its proper divisors (22314262653).

30143131011 is a wasteful number, since it uses less digits than its factorization.

30143131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621 (or 20611 counting only the distinct ones).

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

Adding to 30143131011 its reverse (11013134103), we get a palindrome (41156265114).

The spelling of 30143131011 in words is "thirty billion, one hundred forty-three million, one hundred thirty-one thousand, eleven".