30420303133144 has 32 divisors (see below), whose sum is σ = 57081315957840. Its totient is φ = 15198620976000.

The previous prime is 30420303133141. The next prime is 30420303133177. The reversal of 30420303133144 is 44133130302403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420303133141) 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, 121142022 + ... + 121392874.

Almost surely, 2^{30420303133144} is an apocalyptic number.

It is an amenable number.

30420303133144 is a deficient number, since it is larger than the sum of its proper divisors (26661012824696).

30420303133144 is a wasteful number, since it uses less digits than its factorization.

30420303133144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262291 (or 262287 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 30420303133144 its reverse (44133130302403), we get a palindrome (74553433435547).

The spelling of 30420303133144 in words is "thirty trillion, four hundred twenty billion, three hundred three million, one hundred thirty-three thousand, one hundred forty-four".