30142000393 has 2 divisors, whose sum is σ = 30142000394. Its totient is φ = 30142000392.

The previous prime is 30142000313. The next prime is 30142000397. The reversal of 30142000393 is 39300024103.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29450678544 + 691321849 = 171612^2 + 26293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30142000393 is a prime.

It is a super-2 number, since 2×30142000393² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30142000397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071000196 + 15071000197.

It is an arithmetic number, because the mean of its divisors is an integer number (15071000197).

Almost surely, 2^30142000393 is an apocalyptic number.

It is an amenable number.

30142000393 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142000393 is an equidigital number, since it uses as much as digits as its factorization.

30142000393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30142000393 its reverse (39300024103), we get a palindrome (69442024496).

The spelling of 30142000393 in words is "thirty billion, one hundred forty-two million, three hundred ninety-three", and thus it is an aban number.