30431023424144 has 20 divisors (see below), whose sum is σ = 67382980439424. Its totient is φ = 13041867181728.

The previous prime is 30431023424141. The next prime is 30431023424161. The reversal of 30431023424144 is 44142432013403.

It is not an unprimeable number, because it can be changed into a prime (30431023424141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135852783032 + ... + 135852783255.

Almost surely, 2^{30431023424144} is an apocalyptic number.

It is an amenable number.

30431023424144 is an abundant number, since it is smaller than the sum of its proper divisors (36951957015280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30431023424144 is a wasteful number, since it uses less digits than its factorization.

30431023424144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271705566302 (or 271705566296 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 30431023424144 its reverse (44142432013403), we get a palindrome (74573455437547).

The spelling of 30431023424144 in words is "thirty trillion, four hundred thirty-one billion, twenty-three million, four hundred twenty-four thousand, one hundred forty-four".