30112101212131 has 2 divisors, whose sum is σ = 30112101212132. Its totient is φ = 30112101212130.

The previous prime is 30112101212129. The next prime is 30112101212209. The reversal of 30112101212131 is 13121210121103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30112101212131 - 2¹ = 30112101212129 is a prime.

It is a super-2 number, since 2×30112101212131² (a number of 28 digits) contains 22 as substring.

Together with 30112101212129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 30112101212099 and 30112101212108.

It is not a weakly prime, because it can be changed into another prime (30112101210131) 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 as a sum of consecutive naturals, namely, 15056050606065 + 15056050606066.

It is an arithmetic number, because the mean of its divisors is an integer number (15056050606066).

Almost surely, 2^{30112101212131} is an apocalyptic number.

30112101212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112101212131 is an equidigital number, since it uses as much as digits as its factorization.

30112101212131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 30112101212131 its reverse (13121210121103), we get a palindrome (43233311333234).

The spelling of 30112101212131 in words is "thirty trillion, one hundred twelve billion, one hundred one million, two hundred twelve thousand, one hundred thirty-one".