30102088439 has 4 divisors (see below), whose sum is σ = 30836285760. Its totient is φ = 29367891120.

The previous prime is 30102088427. The next prime is 30102088459. The reversal of 30102088439 is 93488020103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93488020103 = 6131 ⋅15248413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30102088439 is a prime.

It is a super-2 number, since 2×30102088439² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102088459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367098599 + ... + 367098680.

It is an arithmetic number, because the mean of its divisors is an integer number (7709071440).

Almost surely, 2^30102088439 is an apocalyptic number.

30102088439 is a deficient number, since it is larger than the sum of its proper divisors (734197321).

30102088439 is an equidigital number, since it uses as much as digits as its factorization.

30102088439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734197320.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 30102088439 in words is "thirty billion, one hundred two million, eighty-eight thousand, four hundred thirty-nine".