231310130320 has 40 divisors (see below), whose sum is σ = 544275539136. Its totient is φ = 91409301888.

The previous prime is 231310130309. The next prime is 231310130357. The reversal of 231310130320 is 23031013132.

231310130320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 17411292 + ... + 17424571.

Almost surely, 2^231310130320 is an apocalyptic number.

231310130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231310130320 is an abundant number, since it is smaller than the sum of its proper divisors (312965408816).

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

231310130320 is a wasteful number, since it uses less digits than its factorization.

231310130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34835959 (or 34835953 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231310130320 its reverse (23031013132), we get a palindrome (254341143452).

The spelling of 231310130320 in words is "two hundred thirty-one billion, three hundred ten million, one hundred thirty thousand, three hundred twenty".