30143203439 has 2 divisors, whose sum is σ = 30143203440. Its totient is φ = 30143203438.

The previous prime is 30143203397. The next prime is 30143203463. The reversal of 30143203439 is 93430234103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30143203439 is a prime.

It is a super-2 number, since 2×30143203439² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30143203499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15071601719 + 15071601720.

It is an arithmetic number, because the mean of its divisors is an integer number (15071601720).

Almost surely, 2^30143203439 is an apocalyptic number.

30143203439 is a deficient number, since it is larger than the sum of its proper divisors (1).

30143203439 is an equidigital number, since it uses as much as digits as its factorization.

30143203439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 30143203439 in words is "thirty billion, one hundred forty-three million, two hundred three thousand, four hundred thirty-nine".