231313012424 has 32 divisors (see below), whose sum is σ = 468891816120. Its totient is φ = 106344431616.

The previous prime is 231313012397. The next prime is 231313012459. The reversal of 231313012424 is 424210313132.

231313012424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 203507449924 + 27805562500 = 451118^2 + 166750^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 231313012393 and 231313012402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300439 + ... + 4353894.

Almost surely, 2^231313012424 is an apocalyptic number.

It is an amenable number.

231313012424 is an abundant number, since it is smaller than the sum of its proper divisors (237578803696).

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

231313012424 is a wasteful number, since it uses less digits than its factorization.

231313012424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654609 (or 8654605 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231313012424 its reverse (424210313132), we get a palindrome (655523325556).

The spelling of 231313012424 in words is "two hundred thirty-one billion, three hundred thirteen million, twelve thousand, four hundred twenty-four".