231313024 has 32 divisors (see below), whose sum is σ = 480860640. Its totient is φ = 110626560.

The previous prime is 231313013. The next prime is 231313031. The reversal of 231313024 is 420313132.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 231312992 and 231313010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36342 + ... + 42229.

It is an arithmetic number, because the mean of its divisors is an integer number (15026895).

Almost surely, 2^231313024 is an apocalyptic number.

It is an amenable number.

231313024 is an abundant number, since it is smaller than the sum of its proper divisors (249547616).

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

231313024 is an equidigital number, since it uses as much as digits as its factorization.

231313024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78608 (or 78596 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 231313024 is about 15208.9784009315. The cubic root of 231313024 is about 613.8562689877.

Adding to 231313024 its reverse (420313132), we get a palindrome (651626156).

The spelling of 231313024 in words is "two hundred thirty-one million, three hundred thirteen thousand, twenty-four".