203102423134113 has 4 divisors (see below), whose sum is σ = 270803230845488. Its totient is φ = 135401615422740.

The previous prime is 203102423134111. The next prime is 203102423134123. The reversal of 203102423134113 is 311431324201302.

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 not a de Polignac number, because 203102423134113 - 2¹ = 203102423134111 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203102423134111) 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, 33850403855683 + ... + 33850403855688.

It is an arithmetic number, because the mean of its divisors is an integer number (67700807711372).

Almost surely, 2^{203102423134113} is an apocalyptic number.

It is an amenable number.

203102423134113 is a deficient number, since it is larger than the sum of its proper divisors (67700807711375).

203102423134113 is an equidigital number, since it uses as much as digits as its factorization.

203102423134113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67700807711374.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 203102423134113 its reverse (311431324201302), we get a palindrome (514533747335415).

The spelling of 203102423134113 in words is "two hundred three trillion, one hundred two billion, four hundred twenty-three million, one hundred thirty-four thousand, one hundred thirteen".