203245424131 has 4 divisors (see below), whose sum is σ = 206278937992. Its totient is φ = 200211910272.

The previous prime is 203245424117. The next prime is 203245424141. The reversal of 203245424131 is 131424542302.

203245424131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 203245424131 - 2⁵ = 203245424099 is a prime.

It is a super-2 number, since 2×203245424131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203245424093 and 203245424102.

It is not an unprimeable number, because it can be changed into a prime (203245424141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516756830 + ... + 1516756963.

It is an arithmetic number, because the mean of its divisors is an integer number (51569734498).

Almost surely, 2^203245424131 is an apocalyptic number.

203245424131 is a deficient number, since it is larger than the sum of its proper divisors (3033513861).

203245424131 is an equidigital number, since it uses as much as digits as its factorization.

203245424131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033513860.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 203245424131 its reverse (131424542302), we get a palindrome (334669966433).

The spelling of 203245424131 in words is "two hundred three billion, two hundred forty-five million, four hundred twenty-four thousand, one hundred thirty-one".