30121330297 has 2 divisors, whose sum is σ = 30121330298. Its totient is φ = 30121330296.

The previous prime is 30121330273. The next prime is 30121330321. The reversal of 30121330297 is 79203312103.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (30121330273) and next prime (30121330321).

It can be written as a sum of positive squares in only one way, i.e., 29084232681 + 1037097616 = 170541^2 + 32204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30121330297 is a prime.

It is not a weakly prime, because it can be changed into another prime (30121330207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060665148 + 15060665149.

It is an arithmetic number, because the mean of its divisors is an integer number (15060665149).

Almost surely, 2^30121330297 is an apocalyptic number.

It is an amenable number.

30121330297 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121330297 is an equidigital number, since it uses as much as digits as its factorization.

30121330297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 30121330297 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, two hundred ninety-seven".