30123001131851 has 2 divisors, whose sum is σ = 30123001131852. Its totient is φ = 30123001131850.

The previous prime is 30123001131823. The next prime is 30123001131863. The reversal of 30123001131851 is 15813110032103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30123001131851 - 2⁶ = 30123001131787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30123001134851) 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, 15061500565925 + 15061500565926.

It is an arithmetic number, because the mean of its divisors is an integer number (15061500565926).

Almost surely, 2^{30123001131851} is an apocalyptic number.

30123001131851 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123001131851 is an equidigital number, since it uses as much as digits as its factorization.

30123001131851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 30123001131851 its reverse (15813110032103), we get a palindrome (45936111163954).

The spelling of 30123001131851 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, eight hundred fifty-one".