230131131320 has 32 divisors (see below), whose sum is σ = 517893274800. Its totient is φ = 92034989568.

The previous prime is 230131131289. The next prime is 230131131331. The reversal of 230131131320 is 23131131032.

230131131320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 230131131292 and 230131131301.

It is a congruent number.

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, 331190 + ... + 754949.

Almost surely, 2^230131131320 is an apocalyptic number.

230131131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230131131320 is an abundant number, since it is smaller than the sum of its proper divisors (287762143480).

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

230131131320 is a wasteful number, since it uses less digits than its factorization.

230131131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091447 (or 1091443 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 230131131320 its reverse (23131131032), we get a palindrome (253262262352).

The spelling of 230131131320 in words is "two hundred thirty billion, one hundred thirty-one million, one hundred thirty-one thousand, three hundred twenty".