231034320 has 240 divisors, whose sum is σ = 874658304. Its totient is φ = 54144000.

The previous prime is 231034283. The next prime is 231034337. The reversal of 231034320 is 23430132.

231034320 is a `hidden beast` number, since 2 + 310 + 34 + 320 = 666.

231034320 is digitally balanced in base 2 and base 3, because in such bases 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 (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 231034293 and 231034302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245050 + ... + 245990.

Almost surely, 2^231034320 is an apocalyptic number.

231034320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231034320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437329152).

231034320 is an abundant number, since it is smaller than the sum of its proper divisors (643623984).

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

231034320 is a wasteful number, since it uses less digits than its factorization.

231034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 231034320 is about 15199.8131567464. The cubic root of 231034320 is about 613.6096292431.

Adding to 231034320 its reverse (23430132), we get a palindrome (254464452).

The spelling of 231034320 in words is "two hundred thirty-one million, thirty-four thousand, three hundred twenty".