231010320 has 40 divisors (see below), whose sum is σ = 716132736. Its totient is φ = 61602688.

The previous prime is 231010291. The next prime is 231010337. The reversal of 231010320 is 23010132.

It is a happy number.

231010320 is digitally balanced in base 3, 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 a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 231010296 and 231010305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481032 + ... + 481511.

Almost surely, 2^231010320 is an apocalyptic number.

231010320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231010320 is an abundant number, since it is smaller than the sum of its proper divisors (485122416).

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

231010320 is a wasteful number, since it uses less digits than its factorization.

231010320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962559 (or 962553 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 231010320 is about 15199.0236528535. The cubic root of 231010320 is about 613.5883811141.

Adding to 231010320 its reverse (23010132), we get a palindrome (254020452).

The spelling of 231010320 in words is "two hundred thirty-one million, ten thousand, three hundred twenty".