30431044423 has 16 divisors (see below), whose sum is σ = 34524700000. Its totient is φ = 26590187520.

The previous prime is 30431044409. The next prime is 30431044433. The reversal of 30431044423 is 32444013403.

It is not a de Polignac number, because 30431044423 - 2⁹ = 30431043911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30431044391 and 30431044400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431044433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259183 + ... + 357823.

It is an arithmetic number, because the mean of its divisors is an integer number (2157793750).

Almost surely, 2^30431044423 is an apocalyptic number.

30431044423 is a deficient number, since it is larger than the sum of its proper divisors (4093655577).

30431044423 is a wasteful number, since it uses less digits than its factorization.

30431044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99922.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30431044423 its reverse (32444013403), we get a palindrome (62875057826).

The spelling of 30431044423 in words is "thirty billion, four hundred thirty-one million, forty-four thousand, four hundred twenty-three".