203122231441 has 4 divisors (see below), whose sum is σ = 211953632832. Its totient is φ = 194290830052.

The previous prime is 203122231399. The next prime is 203122231451. The reversal of 203122231441 is 144132221302.

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 a cyclic number.

It is not a de Polignac number, because 203122231441 - 2⁷ = 203122231313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203122231451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4415700661 + ... + 4415700706.

It is an arithmetic number, because the mean of its divisors is an integer number (52988408208).

Almost surely, 2^203122231441 is an apocalyptic number.

It is an amenable number.

203122231441 is a deficient number, since it is larger than the sum of its proper divisors (8831401391).

203122231441 is an equidigital number, since it uses as much as digits as its factorization.

203122231441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8831401390.

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

Adding to 203122231441 its reverse (144132221302), we get a palindrome (347254452743).

The spelling of 203122231441 in words is "two hundred three billion, one hundred twenty-two million, two hundred thirty-one thousand, four hundred forty-one".