203313142444141 has 4 divisors (see below), whose sum is σ = 203315567050012. Its totient is φ = 203310717838272.

The previous prime is 203313142444133. The next prime is 203313142444147. The reversal of 203313142444141 is 141444241313302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65460300288516 + 137852842155625 = 8090754^2 + 11741075^2 .

It is a cyclic number.

It is not a de Polignac number, because 203313142444141 - 2³ = 203313142444133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203313142444141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203313142444147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212177150 + ... + 1212344863.

It is an arithmetic number, because the mean of its divisors is an integer number (50828891762503).

Almost surely, 2^{203313142444141} is an apocalyptic number.

It is an amenable number.

203313142444141 is a deficient number, since it is larger than the sum of its proper divisors (2424605871).

203313142444141 is an equidigital number, since it uses as much as digits as its factorization.

203313142444141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424605870.

The product of its (nonzero) digits is 110592, while the sum is 37.

Adding to 203313142444141 its reverse (141444241313302), we get a palindrome (344757383757443).

The spelling of 203313142444141 in words is "two hundred three trillion, three hundred thirteen billion, one hundred forty-two million, four hundred forty-four thousand, one hundred forty-one".