203314134241021 has 4 divisors (see below), whose sum is σ = 203559979627872. Its totient is φ = 203068288854172.

The previous prime is 203314134241007. The next prime is 203314134241063. The reversal of 203314134241021 is 120142431413302.

It is a happy number.

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 203314134241021 - 2²⁵ = 203314100686589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203314134241081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122922692185 + ... + 122922693838.

It is an arithmetic number, because the mean of its divisors is an integer number (50889994906968).

Almost surely, 2^{203314134241021} is an apocalyptic number.

It is an amenable number.

203314134241021 is a deficient number, since it is larger than the sum of its proper divisors (245845386851).

203314134241021 is an equidigital number, since it uses as much as digits as its factorization.

203314134241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245845386850.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 203314134241021 its reverse (120142431413302), we get a palindrome (323456565654323).

The spelling of 203314134241021 in words is "two hundred three trillion, three hundred fourteen billion, one hundred thirty-four million, two hundred forty-one thousand, twenty-one".