30300312131 has 2 divisors, whose sum is σ = 30300312132. Its totient is φ = 30300312130.

The previous prime is 30300312071. The next prime is 30300312139. The reversal of 30300312131 is 13121300303.

It is a strong prime.

It is an emirp because it is prime and its reverse (13121300303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30300312131 - 2²² = 30296117827 is a prime.

It is a super-2 number, since 2×30300312131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30300312139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150156065 + 15150156066.

It is an arithmetic number, because the mean of its divisors is an integer number (15150156066).

Almost surely, 2^30300312131 is an apocalyptic number.

30300312131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30300312131 is an equidigital number, since it uses as much as digits as its factorization.

30300312131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30300312131 its reverse (13121300303), we get a palindrome (43421612434).

The spelling of 30300312131 in words is "thirty billion, three hundred million, three hundred twelve thousand, one hundred thirty-one".