30321130424257 has 2 divisors, whose sum is σ = 30321130424258. Its totient is φ = 30321130424256.

The previous prime is 30321130424251. The next prime is 30321130424261. The reversal of 30321130424257 is 75242403112303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23895711528976 + 6425418895281 = 4888324^2 + 2534841^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321130424257 - 2²³ = 30321122035649 is a prime.

It is not a weakly prime, because it can be changed into another prime (30321130424251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160565212128 + 15160565212129.

It is an arithmetic number, because the mean of its divisors is an integer number (15160565212129).

Almost surely, 2^{30321130424257} is an apocalyptic number.

It is an amenable number.

30321130424257 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321130424257 is an equidigital number, since it uses as much as digits as its factorization.

30321130424257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 30321130424257 in words is "thirty trillion, three hundred twenty-one billion, one hundred thirty million, four hundred twenty-four thousand, two hundred fifty-seven".