30020111312131 has 2 divisors, whose sum is σ = 30020111312132. Its totient is φ = 30020111312130.

The previous prime is 30020111312129. The next prime is 30020111312137. The reversal of 30020111312131 is 13121311102003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30020111312131 - 2¹ = 30020111312129 is a prime.

It is a super-2 number, since 2×30020111312131² (a number of 28 digits) contains 22 as substring.

Together with 30020111312129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30020111312099 and 30020111312108.

It is not a weakly prime, because it can be changed into another prime (30020111312137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010055656065 + 15010055656066.

It is an arithmetic number, because the mean of its divisors is an integer number (15010055656066).

Almost surely, 2^{30020111312131} is an apocalyptic number.

30020111312131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020111312131 is an equidigital number, since it uses as much as digits as its factorization.

30020111312131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 30020111312131 its reverse (13121311102003), we get a palindrome (43141422414134).

The spelling of 30020111312131 in words is "thirty trillion, twenty billion, one hundred eleven million, three hundred twelve thousand, one hundred thirty-one".