231240014413 has 4 divisors (see below), whose sum is σ = 244842368220. Its totient is φ = 217637660608.

The previous prime is 231240014389. The next prime is 231240014431. The reversal of 231240014413 is 314410042132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207500292484 + 23739721929 = 455522^2 + 154077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231240014413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240014443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6801176878 + ... + 6801176911.

It is an arithmetic number, because the mean of its divisors is an integer number (61210592055).

Almost surely, 2^231240014413 is an apocalyptic number.

It is an amenable number.

231240014413 is a deficient number, since it is larger than the sum of its proper divisors (13602353807).

231240014413 is a wasteful number, since it uses less digits than its factorization.

231240014413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13602353806.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 231240014413 its reverse (314410042132), we get a palindrome (545650056545).

The spelling of 231240014413 in words is "two hundred thirty-one billion, two hundred forty million, fourteen thousand, four hundred thirteen".