203142143324411 has 4 divisors (see below), whose sum is σ = 203145412964424. Its totient is φ = 203138873684400.

The previous prime is 203142143324381. The next prime is 203142143324437. The reversal of 203142143324411 is 114423341241302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203142143324411 is a prime.

It is a super-2 number, since 2×203142143324411² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203142143324111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634726810 + ... + 1634851071.

It is an arithmetic number, because the mean of its divisors is an integer number (50786353241106).

Almost surely, 2^{203142143324411} is an apocalyptic number.

203142143324411 is a deficient number, since it is larger than the sum of its proper divisors (3269640013).

203142143324411 is an equidigital number, since it uses as much as digits as its factorization.

203142143324411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269640012.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 203142143324411 its reverse (114423341241302), we get a palindrome (317565484565713).

The spelling of 203142143324411 in words is "two hundred three trillion, one hundred forty-two billion, one hundred forty-three million, three hundred twenty-four thousand, four hundred eleven".