30131020321113 has 16 divisors (see below), whose sum is σ = 40861426409856. Its totient is φ = 19745659610880.

The previous prime is 30131020321099. The next prime is 30131020321169. The reversal of 30131020321113 is 31112302013103.

It is a happy number.

It is not a de Polignac number, because 30131020321113 - 2⁵ = 30131020321081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30131020321113.

It is not an unprimeable number, because it can be changed into a prime (30131020321613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209809806 + ... + 209953367.

It is an arithmetic number, because the mean of its divisors is an integer number (2553839150616).

Almost surely, 2^{30131020321113} is an apocalyptic number.

It is an amenable number.

30131020321113 is a deficient number, since it is larger than the sum of its proper divisors (10730406088743).

30131020321113 is a wasteful number, since it uses less digits than its factorization.

30131020321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419763584.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30131020321113 its reverse (31112302013103), we get a palindrome (61243322334216).

The spelling of 30131020321113 in words is "thirty trillion, one hundred thirty-one billion, twenty million, three hundred twenty-one thousand, one hundred thirteen".