312450340315225 has 192 divisors, whose sum is σ = 479379841155072. Its totient is φ = 197492069376000.

The previous prime is 312450340315147. The next prime is 312450340315237. The reversal of 312450340315225 is 522513043054213.

It is not a de Polignac number, because 312450340315225 - 2²⁹ = 312449803444313 is a prime.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 3036955785 + ... + 3037058665.

It is an arithmetic number, because the mean of its divisors is an integer number (2496770006016).

Almost surely, 2^{312450340315225} is an apocalyptic number.

312450340315225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

312450340315225 is a deficient number, since it is larger than the sum of its proper divisors (166929500839847).

312450340315225 is a wasteful number, since it uses less digits than its factorization.

312450340315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103296 (or 103291 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 312450340315225 its reverse (522513043054213), we get a palindrome (834963383369438).

The spelling of 312450340315225 in words is "three hundred twelve trillion, four hundred fifty billion, three hundred forty million, three hundred fifteen thousand, two hundred twenty-five".