203251430125 has 16 divisors (see below), whose sum is σ = 253681077312. Its totient is φ = 162586213200.

The previous prime is 203251430101. The next prime is 203251430131. The reversal of 203251430125 is 521034152302.

It is not a de Polignac number, because 203251430125 - 2⁵ = 203251430093 is a prime.

It is a super-2 number, since 2×203251430125² (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 = 203251430093 and 203251430102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409634 + ... + 1547116.

It is an arithmetic number, because the mean of its divisors is an integer number (15855067332).

Almost surely, 2^203251430125 is an apocalyptic number.

203251430125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203251430125 is a deficient number, since it is larger than the sum of its proper divisors (50429647187).

203251430125 is a wasteful number, since it uses less digits than its factorization.

203251430125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149325 (or 149315 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 203251430125 its reverse (521034152302), we get a palindrome (724285582427).

The spelling of 203251430125 in words is "two hundred three billion, two hundred fifty-one million, four hundred thirty thousand, one hundred twenty-five".