231004860 has 24 divisors (see below), whose sum is σ = 646813776. Its totient is φ = 61601280.

The previous prime is 231004849. The next prime is 231004867. The reversal of 231004860 is 68400132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 231004860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231004867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924981 + ... + 1925100.

It is an arithmetic number, because the mean of its divisors is an integer number (26950574).

Almost surely, 2^231004860 is an apocalyptic number.

231004860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231004860 is an abundant number, since it is smaller than the sum of its proper divisors (415808916).

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

231004860 is a wasteful number, since it uses less digits than its factorization.

231004860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850093 (or 3850091 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 231004860 is about 15198.8440349916. The cubic root of 231004860 is about 613.5835469593.

Adding to 231004860 its reverse (68400132), we get a palindrome (299404992).

The spelling of 231004860 in words is "two hundred thirty-one million, four thousand, eight hundred sixty".