203131401401113 has 4 divisors (see below), whose sum is σ = 210135932483940. Its totient is φ = 196126870318288.

The previous prime is 203131401401099. The next prime is 203131401401147. The reversal of 203131401401113 is 311104104131302.

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 164347066923264 + 38784334477849 = 12819792^2 + 6227707^2 .

It is a cyclic number.

It is not a de Polignac number, because 203131401401113 - 2²¹ = 203131399303961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203131401401153) 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, 3502265541370 + ... + 3502265541427.

It is an arithmetic number, because the mean of its divisors is an integer number (52533983120985).

Almost surely, 2^{203131401401113} is an apocalyptic number.

It is an amenable number.

203131401401113 is a deficient number, since it is larger than the sum of its proper divisors (7004531082827).

203131401401113 is an equidigital number, since it uses as much as digits as its factorization.

203131401401113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004531082826.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 203131401401113 its reverse (311104104131302), we get a palindrome (514235505532415).

The spelling of 203131401401113 in words is "two hundred three trillion, one hundred thirty-one billion, four hundred one million, four hundred one thousand, one hundred thirteen".