30300131123209 has 2 divisors, whose sum is σ = 30300131123210. Its totient is φ = 30300131123208.

The previous prime is 30300131123183. The next prime is 30300131123231. The reversal of 30300131123209 is 90232113100303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19095178258809 + 11204952864400 = 4369803^2 + 3347380^2 .

It is a cyclic number.

It is not a de Polignac number, because 30300131123209 - 2²⁵ = 30300097568777 is a prime.

It is not a weakly prime, because it can be changed into another prime (30300131123609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150065561604 + 15150065561605.

It is an arithmetic number, because the mean of its divisors is an integer number (15150065561605).

Almost surely, 2^{30300131123209} is an apocalyptic number.

It is an amenable number.

30300131123209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30300131123209 is an equidigital number, since it uses as much as digits as its factorization.

30300131123209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 30300131123209 in words is "thirty trillion, three hundred billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred nine".