30142303049 has 2 divisors, whose sum is σ = 30142303050. Its totient is φ = 30142303048.

The previous prime is 30142303027. The next prime is 30142303159. The reversal of 30142303049 is 94030324103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19388613049 + 10753690000 = 139243^2 + 103700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30142303049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30142303949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071151524 + 15071151525.

It is an arithmetic number, because the mean of its divisors is an integer number (15071151525).

Almost surely, 2^30142303049 is an apocalyptic number.

It is an amenable number.

30142303049 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142303049 is an equidigital number, since it uses as much as digits as its factorization.

30142303049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 30142303049 in words is "thirty billion, one hundred forty-two million, three hundred three thousand, forty-nine".