231240412101 has 4 divisors (see below), whose sum is σ = 308320549472. Its totient is φ = 154160274732.

The previous prime is 231240412087. The next prime is 231240412157. The reversal of 231240412101 is 101214042132.

231240412101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 231240412101 - 2¹³ = 231240403909 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 (231240412001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38540068681 + ... + 38540068686.

It is an arithmetic number, because the mean of its divisors is an integer number (77080137368).

Almost surely, 2^231240412101 is an apocalyptic number.

It is an amenable number.

231240412101 is a deficient number, since it is larger than the sum of its proper divisors (77080137371).

231240412101 is an equidigital number, since it uses as much as digits as its factorization.

231240412101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77080137370.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 231240412101 its reverse (101214042132), we get a palindrome (332454454233).

The spelling of 231240412101 in words is "two hundred thirty-one billion, two hundred forty million, four hundred twelve thousand, one hundred one".