30120302143031 has 2 divisors, whose sum is σ = 30120302143032. Its totient is φ = 30120302143030.

The previous prime is 30120302143027. The next prime is 30120302143037. The reversal of 30120302143031 is 13034120302103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30120302143031 - 2² = 30120302143027 is a prime.

It is a super-3 number, since 3×30120302143031³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 30120302142988 and 30120302143006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120302143037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060151071515 + 15060151071516.

It is an arithmetic number, because the mean of its divisors is an integer number (15060151071516).

Almost surely, 2^{30120302143031} is an apocalyptic number.

30120302143031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120302143031 is an equidigital number, since it uses as much as digits as its factorization.

30120302143031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30120302143031 its reverse (13034120302103), we get a palindrome (43154422445134).

The spelling of 30120302143031 in words is "thirty trillion, one hundred twenty billion, three hundred two million, one hundred forty-three thousand, thirty-one".