231330462 has 64 divisors (see below), whose sum is σ = 516499200. Its totient is φ = 69057120.

The previous prime is 231330461. The next prime is 231330499. The reversal of 231330462 is 264033132.

231330462 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231330461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662664 + ... + 663012.

It is an arithmetic number, because the mean of its divisors is an integer number (8070300).

Almost surely, 2^231330462 is an apocalyptic number.

231330462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 231330462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258249600).

231330462 is an abundant number, since it is smaller than the sum of its proper divisors (285168738).

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

231330462 is a wasteful number, since it uses less digits than its factorization.

231330462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 231330462 is about 15209.5516699211. The cubic root of 231330462 is about 613.8716941987.

Adding to 231330462 its reverse (264033132), we get a palindrome (495363594).

The spelling of 231330462 in words is "two hundred thirty-one million, three hundred thirty thousand, four hundred sixty-two".