231444241040641 has 8 divisors (see below), whose sum is σ = 235663774844960. Its totient is φ = 227247211417248.

The previous prime is 231444241040627. The next prime is 231444241040671. The reversal of 231444241040641 is 146040142444132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231444241040641 is a prime.

It is a super-2 number, since 2×231444241040641² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231444241040594 and 231444241040603.

It is not an unprimeable number, because it can be changed into a prime (231444241040671) 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, 5626024476 + ... + 5626065613.

It is an arithmetic number, because the mean of its divisors is an integer number (29457971855620).

Almost surely, 2^{231444241040641} is an apocalyptic number.

It is an amenable number.

231444241040641 is a deficient number, since it is larger than the sum of its proper divisors (4219533804319).

231444241040641 is a wasteful number, since it uses less digits than its factorization.

231444241040641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252090463.

The product of its (nonzero) digits is 294912, while the sum is 40.

Adding to 231444241040641 its reverse (146040142444132), we get a palindrome (377484383484773).

The spelling of 231444241040641 in words is "two hundred thirty-one trillion, four hundred forty-four billion, two hundred forty-one million, forty thousand, six hundred forty-one".