30144434135 has 16 divisors (see below), whose sum is σ = 38287572960. Its totient is φ = 22720072320.

The previous prime is 30144434083. The next prime is 30144434137. The reversal of 30144434135 is 53143444103.

It is a de Polignac number, because none of the positive numbers 2^k-30144434135 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144434137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859352 + ... + 893741.

It is an arithmetic number, because the mean of its divisors is an integer number (2392973310).

Almost surely, 2^30144434135 is an apocalyptic number.

30144434135 is a deficient number, since it is larger than the sum of its proper divisors (8143138825).

30144434135 is a wasteful number, since it uses less digits than its factorization.

30144434135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753298.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 30144434135 its reverse (53143444103), we get a palindrome (83287878238).

The spelling of 30144434135 in words is "thirty billion, one hundred forty-four million, four hundred thirty-four thousand, one hundred thirty-five".