30033232057 has 2 divisors, whose sum is σ = 30033232058. Its totient is φ = 30033232056.

The previous prime is 30033232007. The next prime is 30033232091. The reversal of 30033232057 is 75023233003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29952878761 + 80353296 = 173069^2 + 8964^2 .

It is an emirp because it is prime and its reverse (75023233003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30033232057 is a prime.

It is a super-2 number, since 2×30033232057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30033232007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016616028 + 15016616029.

It is an arithmetic number, because the mean of its divisors is an integer number (15016616029).

Almost surely, 2^30033232057 is an apocalyptic number.

It is an amenable number.

30033232057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30033232057 is an equidigital number, since it uses as much as digits as its factorization.

30033232057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 28.

The spelling of 30033232057 in words is "thirty billion, thirty-three million, two hundred thirty-two thousand, fifty-seven".