30142328819 has 2 divisors, whose sum is σ = 30142328820. Its totient is φ = 30142328818.

The previous prime is 30142328789. The next prime is 30142328833. The reversal of 30142328819 is 91882324103.

It is a strong prime.

It is an emirp because it is prime and its reverse (91882324103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30142328819 - 2³² = 25847361523 is a prime.

It is a super-2 number, since 2×30142328819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30142321819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071164409 + 15071164410.

It is an arithmetic number, because the mean of its divisors is an integer number (15071164410).

Almost surely, 2^30142328819 is an apocalyptic number.

30142328819 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142328819 is an equidigital number, since it uses as much as digits as its factorization.

30142328819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 30142328819 in words is "thirty billion, one hundred forty-two million, three hundred twenty-eight thousand, eight hundred nineteen".