30331121053 has 2 divisors, whose sum is σ = 30331121054. Its totient is φ = 30331121052.

The previous prime is 30331121003. The next prime is 30331121063. The reversal of 30331121053 is 35012113303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17372030809 + 12959090244 = 131803^2 + 113838^2 .

It is a cyclic number.

It is not a de Polignac number, because 30331121053 - 2²⁹ = 29794250141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30331121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15165560526 + 15165560527.

It is an arithmetic number, because the mean of its divisors is an integer number (15165560527).

Almost surely, 2^30331121053 is an apocalyptic number.

It is an amenable number.

30331121053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30331121053 is an equidigital number, since it uses as much as digits as its factorization.

30331121053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 30331121053 its reverse (35012113303), we get a palindrome (65343234356).

The spelling of 30331121053 in words is "thirty billion, three hundred thirty-one million, one hundred twenty-one thousand, fifty-three".