30131120303321 has 2 divisors, whose sum is σ = 30131120303322. Its totient is φ = 30131120303320.

The previous prime is 30131120303257. The next prime is 30131120303327. The reversal of 30131120303321 is 12330302113103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30092476606921 + 38643696400 = 5485661^2 + 196580^2 .

It is a cyclic number.

It is not a de Polignac number, because 30131120303321 - 2⁶ = 30131120303257 is a prime.

It is not a weakly prime, because it can be changed into another prime (30131120303327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15065560151660 + 15065560151661.

It is an arithmetic number, because the mean of its divisors is an integer number (15065560151661).

Almost surely, 2^{30131120303321} is an apocalyptic number.

It is an amenable number.

30131120303321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30131120303321 is an equidigital number, since it uses as much as digits as its factorization.

30131120303321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30131120303321 its reverse (12330302113103), we get a palindrome (42461422416424).

The spelling of 30131120303321 in words is "thirty trillion, one hundred thirty-one billion, one hundred twenty million, three hundred three thousand, three hundred twenty-one".