203142434020211 has 16 divisors (see below), whose sum is σ = 232382990484480. Its totient is φ = 173956969167840.

The previous prime is 203142434020187. The next prime is 203142434020241. The reversal of 203142434020211 is 112020434241302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203142434020211 is a prime.

It is a super-5 number, since 5×203142434020211⁵ (a number of 73 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203142434020241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60351266 + ... + 63628296.

It is an arithmetic number, because the mean of its divisors is an integer number (14523936905280).

Almost surely, 2^{203142434020211} is an apocalyptic number.

203142434020211 is a deficient number, since it is larger than the sum of its proper divisors (29240556464269).

203142434020211 is a wasteful number, since it uses less digits than its factorization.

203142434020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285434.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 203142434020211 its reverse (112020434241302), we get a palindrome (315162868261513).

The spelling of 203142434020211 in words is "two hundred three trillion, one hundred forty-two billion, four hundred thirty-four million, twenty thousand, two hundred eleven".