203512420231 has 8 divisors (see below), whose sum is σ = 212412768480. Its totient is φ = 194616403872.

The previous prime is 203512420219. The next prime is 203512420259. The reversal of 203512420231 is 132024215302.

203512420231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203512420231 - 2⁷ = 203512420103 is a prime.

It is a super-2 number, since 2×203512420231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203512420196 and 203512420205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203512420291) 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 7 ways as a sum of consecutive naturals, for example, 986776 + ... + 1175053.

It is an arithmetic number, because the mean of its divisors is an integer number (26551596060).

Almost surely, 2^203512420231 is an apocalyptic number.

203512420231 is a deficient number, since it is larger than the sum of its proper divisors (8900348249).

203512420231 is a wasteful number, since it uses less digits than its factorization.

203512420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165945.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 203512420231 its reverse (132024215302), we get a palindrome (335536635533).

The spelling of 203512420231 in words is "two hundred three billion, five hundred twelve million, four hundred twenty thousand, two hundred thirty-one".