30420312144134 has 16 divisors (see below), whose sum is σ = 50036613293520. Its totient is φ = 13755769973760.

The previous prime is 30420312144119. The next prime is 30420312144137. The reversal of 30420312144134 is 43144121302403.

It is a self number, because there is not a number n which added to its sum of digits gives 30420312144134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420312144137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3582227519 + ... + 3582236010.

It is an arithmetic number, because the mean of its divisors is an integer number (3127288330845).

Almost surely, 2^{30420312144134} is an apocalyptic number.

30420312144134 is a deficient number, since it is larger than the sum of its proper divisors (19616301149386).

30420312144134 is a wasteful number, since it uses less digits than its factorization.

30420312144134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164463735.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 30420312144134 its reverse (43144121302403), we get a palindrome (73564433446537).

The spelling of 30420312144134 in words is "thirty trillion, four hundred twenty billion, three hundred twelve million, one hundred forty-four thousand, one hundred thirty-four".