210203231025 has 24 divisors (see below), whose sum is σ = 347553385120. Its totient is φ = 112102784640.

The previous prime is 210203231011. The next prime is 210203231039. The reversal of 210203231025 is 520132302012.

It is an interprime number because it is at equal distance from previous prime (210203231011) and next prime (210203231039).

It is not a de Polignac number, because 210203231025 - 2⁹ = 210203230513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210203230992 and 210203231010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1754694 + ... + 1870656.

Almost surely, 2^210203231025 is an apocalyptic number.

210203231025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210203231025 is a deficient number, since it is larger than the sum of its proper divisors (137350154095).

210203231025 is a wasteful number, since it uses less digits than its factorization.

210203231025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140145 (or 140140 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 210203231025 its reverse (520132302012), we get a palindrome (730335533037).

The spelling of 210203231025 in words is "two hundred ten billion, two hundred three million, two hundred thirty-one thousand, twenty-five".