231242404403 has 8 divisors (see below), whose sum is σ = 231738316560. Its totient is φ = 230746934880.

The previous prime is 231242404387. The next prime is 231242404453. The reversal of 231242404403 is 304404242132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231242404403 - 2⁴ = 231242404387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231242404453) 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, 946088 + ... + 1165146.

It is an arithmetic number, because the mean of its divisors is an integer number (28967289570).

Almost surely, 2^231242404403 is an apocalyptic number.

231242404403 is a deficient number, since it is larger than the sum of its proper divisors (495912157).

231242404403 is a wasteful number, since it uses less digits than its factorization.

231242404403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221317.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 231242404403 its reverse (304404242132), we get a palindrome (535646646535).

The spelling of 231242404403 in words is "two hundred thirty-one billion, two hundred forty-two million, four hundred four thousand, four hundred three".