231241220413 has 8 divisors (see below), whose sum is σ = 264921834560. Its totient is φ = 197722144800.

The previous prime is 231241220389. The next prime is 231241220491. The reversal of 231241220413 is 314022142132.

231241220413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231241220413 - 2¹⁷ = 231241089341 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 (231241223413) 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 7 ways as a sum of consecutive naturals, for example, 40381563 + ... + 40387288.

It is an arithmetic number, because the mean of its divisors is an integer number (33115229320).

Almost surely, 2^231241220413 is an apocalyptic number.

It is an amenable number.

231241220413 is a deficient number, since it is larger than the sum of its proper divisors (33680614147).

231241220413 is an equidigital number, since it uses as much as digits as its factorization.

231241220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80769267.

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

Adding to 231241220413 its reverse (314022142132), we get a palindrome (545263362545).

The spelling of 231241220413 in words is "two hundred thirty-one billion, two hundred forty-one million, two hundred twenty thousand, four hundred thirteen".