19310232004 has 24 divisors (see below), whose sum is σ = 38780728448. Its totient is φ = 8241471360.

The previous prime is 19310231933. The next prime is 19310232037. The reversal of 19310232004 is 40023201391.

It is a self number, because there is not a number n which added to its sum of digits gives 19310232004.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1424064 + ... + 1437559.

Almost surely, 2^19310232004 is an apocalyptic number.

19310232004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19310232004 is an abundant number, since it is smaller than the sum of its proper divisors (19470496444).

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

19310232004 is a wasteful number, since it uses less digits than its factorization.

19310232004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861875 (or 2861873 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 19310232004 its reverse (40023201391), we get a palindrome (59333433395).

The spelling of 19310232004 in words is "nineteen billion, three hundred ten million, two hundred thirty-two thousand, four".