231240005120424 has 32 divisors (see below), whose sum is σ = 578151177300000. Its totient is φ = 77073179773632.

The previous prime is 231240005120419. The next prime is 231240005120483. The reversal of 231240005120424 is 424021500042132.

It is a happy number.

231240005120424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231240005120391 and 231240005120400.

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, 426093999 + ... + 426636350.

It is an arithmetic number, because the mean of its divisors is an integer number (18067224290625).

Almost surely, 2^{231240005120424} is an apocalyptic number.

231240005120424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231240005120424 is an abundant number, since it is smaller than the sum of its proper divisors (346911172179576).

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

231240005120424 is a wasteful number, since it uses less digits than its factorization.

231240005120424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852741657 (or 852741653 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 231240005120424 its reverse (424021500042132), we get a palindrome (655261505162556).

The spelling of 231240005120424 in words is "two hundred thirty-one trillion, two hundred forty billion, five million, one hundred twenty thousand, four hundred twenty-four".