201030231232057 has 2 divisors, whose sum is σ = 201030231232058. Its totient is φ = 201030231232056.

The previous prime is 201030231232007. The next prime is 201030231232067. The reversal of 201030231232057 is 750232132030102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174528697886761 + 26501533345296 = 13210931^2 + 5147964^2 .

It is a cyclic number.

It is not a de Polignac number, because 201030231232057 - 2³¹ = 201028083748409 is a prime.

It is not a weakly prime, because it can be changed into another prime (201030231232007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100515115616028 + 100515115616029.

It is an arithmetic number, because the mean of its divisors is an integer number (100515115616029).

Almost surely, 2^{201030231232057} is an apocalyptic number.

It is an amenable number.

201030231232057 is a deficient number, since it is larger than the sum of its proper divisors (1).

201030231232057 is an equidigital number, since it uses as much as digits as its factorization.

201030231232057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 201030231232057 its reverse (750232132030102), we get a palindrome (951262363262159).

The spelling of 201030231232057 in words is "two hundred one trillion, thirty billion, two hundred thirty-one million, two hundred thirty-two thousand, fifty-seven".