31430230304 has 48 divisors (see below), whose sum is σ = 67628748096. Its totient is φ = 14259974400.

The previous prime is 31430230267. The next prime is 31430230313. The reversal of 31430230304 is 40303203413.

It is a self number, because there is not a number n which added to its sum of digits gives 31430230304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107909 + ... + 272955.

It is an arithmetic number, because the mean of its divisors is an integer number (1408932252).

Almost surely, 2^31430230304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31430230304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33814374048).

31430230304 is an abundant number, since it is smaller than the sum of its proper divisors (36198517792).

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

31430230304 is a wasteful number, since it uses less digits than its factorization.

31430230304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165609 (or 165601 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31430230304 its reverse (40303203413), we get a palindrome (71733433717).

The spelling of 31430230304 in words is "thirty-one billion, four hundred thirty million, two hundred thirty thousand, three hundred four".