203442440411 has 12 divisors (see below), whose sum is σ = 236761962480. Its totient is φ = 174302286480.

The previous prime is 203442440387. The next prime is 203442440417. The reversal of 203442440411 is 114044244302.

It is not a de Polignac number, because 203442440411 - 2⁶ = 203442440347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203442440417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803735 + ... + 1026096.

It is an arithmetic number, because the mean of its divisors is an integer number (19730163540).

Almost surely, 2^203442440411 is an apocalyptic number.

203442440411 is a deficient number, since it is larger than the sum of its proper divisors (33319522069).

203442440411 is a wasteful number, since it uses less digits than its factorization.

203442440411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832114 (or 1832107 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 203442440411 its reverse (114044244302), we get a palindrome (317486684713).

The spelling of 203442440411 in words is "two hundred three billion, four hundred forty-two million, four hundred forty thousand, four hundred eleven".