30112104202131 has 48 divisors (see below), whose sum is σ = 46946632243104. Its totient is φ = 17117724589056.

The previous prime is 30112104202121. The next prime is 30112104202133. The reversal of 30112104202131 is 13120240121103.

It is not a de Polignac number, because 30112104202131 - 2¹³ = 30112104193939 is a prime.

It is a super-2 number, since 2×30112104202131² (a number of 28 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 30112104202098 and 30112104202107.

It is not an unprimeable number, because it can be changed into a prime (30112104202133) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 295128081 + ... + 295230093.

It is an arithmetic number, because the mean of its divisors is an integer number (978054838398).

Almost surely, 2^{30112104202131} is an apocalyptic number.

30112104202131 is a deficient number, since it is larger than the sum of its proper divisors (16834528040973).

30112104202131 is a wasteful number, since it uses less digits than its factorization.

30112104202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112420 (or 112413 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 30112104202131 its reverse (13120240121103), we get a palindrome (43232344323234).

The spelling of 30112104202131 in words is "thirty trillion, one hundred twelve billion, one hundred four million, two hundred two thousand, one hundred thirty-one".