10312321225 has 12 divisors (see below), whose sum is σ = 12800212480. Its totient is φ = 8241512400.

The previous prime is 10312321211. The next prime is 10312321237. The reversal of 10312321225 is 52212321301.

It is not a de Polignac number, because 10312321225 - 2¹⁵ = 10312288457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10312321196 and 10312321205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183345 + ... + 232894.

Almost surely, 2^10312321225 is an apocalyptic number.

It is an amenable number.

10312321225 is a deficient number, since it is larger than the sum of its proper divisors (2487891255).

10312321225 is an equidigital number, since it uses as much as digits as its factorization.

10312321225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417240 (or 417235 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10312321225 its reverse (52212321301), we get a palindrome (62524642526).

The spelling of 10312321225 in words is "ten billion, three hundred twelve million, three hundred twenty-one thousand, two hundred twenty-five".