30312424440142 has 64 divisors (see below), whose sum is σ = 50333493450240. Its totient is φ = 13605337238400.

The previous prime is 30312424440119. The next prime is 30312424440187. The reversal of 30312424440142 is 24104442421303.

It is a junction number, because it is equal to n+sod(n) for n = 30312424440098 and 30312424440107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100968717 + ... + 101268487.

It is an arithmetic number, because the mean of its divisors is an integer number (786460835160).

Almost surely, 2^{30312424440142} is an apocalyptic number.

30312424440142 is a deficient number, since it is larger than the sum of its proper divisors (20021069010098).

30312424440142 is a wasteful number, since it uses less digits than its factorization.

30312424440142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300569.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 30312424440142 its reverse (24104442421303), we get a palindrome (54416866861445).

The spelling of 30312424440142 in words is "thirty trillion, three hundred twelve billion, four hundred twenty-four million, four hundred forty thousand, one hundred forty-two".