203025250231 has 4 divisors (see below), whose sum is σ = 204369788464. Its totient is φ = 201680712000.

The previous prime is 203025250223. The next prime is 203025250237. The reversal of 203025250231 is 132052520302.

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 203025250231 - 2³ = 203025250223 is a prime.

It is a super-2 number, since 2×203025250231² (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 = 203025250196 and 203025250205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203025250237) 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, 672268890 + ... + 672269191.

It is an arithmetic number, because the mean of its divisors is an integer number (51092447116).

Almost surely, 2^203025250231 is an apocalyptic number.

203025250231 is a deficient number, since it is larger than the sum of its proper divisors (1344538233).

203025250231 is a wasteful number, since it uses less digits than its factorization.

203025250231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344538232.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 203025250231 its reverse (132052520302), we get a palindrome (335077770533).

The spelling of 203025250231 in words is "two hundred three billion, twenty-five million, two hundred fifty thousand, two hundred thirty-one".