30213232057 has 2 divisors, whose sum is σ = 30213232058. Its totient is φ = 30213232056.

The previous prime is 30213231973. The next prime is 30213232067. The reversal of 30213232057 is 75023231203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15616001296 + 14597230761 = 124964^2 + 120819^2 .

It is a cyclic number.

It is not a de Polignac number, because 30213232057 - 2¹⁹ = 30212707769 is a prime.

It is not a weakly prime, because it can be changed into another prime (30213232067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106616028 + 15106616029.

It is an arithmetic number, because the mean of its divisors is an integer number (15106616029).

Almost surely, 2^30213232057 is an apocalyptic number.

It is an amenable number.

30213232057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30213232057 is an equidigital number, since it uses as much as digits as its factorization.

30213232057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The spelling of 30213232057 in words is "thirty billion, two hundred thirteen million, two hundred thirty-two thousand, fifty-seven".