30254233143 has 12 divisors (see below), whose sum is σ = 42169103480. Its totient is φ = 19292553456.

The previous prime is 30254233123. The next prime is 30254233153. The reversal of 30254233143 is 34133245203.

It is not a de Polignac number, because 30254233143 - 2²⁰ = 30253184567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30254233143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30254233123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9530308 + ... + 9533481.

Almost surely, 2^30254233143 is an apocalyptic number.

30254233143 is a deficient number, since it is larger than the sum of its proper divisors (11914870337).

30254233143 is a wasteful number, since it uses less digits than its factorization.

30254233143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19063838 (or 19063815 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 30254233143 its reverse (34133245203), we get a palindrome (64387478346).

The spelling of 30254233143 in words is "thirty billion, two hundred fifty-four million, two hundred thirty-three thousand, one hundred forty-three".