312513503333225 has 12 divisors (see below), whose sum is σ = 395761781243904. Its totient is φ = 244691423885520.

The previous prime is 312513503333191. The next prime is 312513503333231. The reversal of 312513503333225 is 522333305315213.

It is not a de Polignac number, because 312513503333225 - 2¹² = 312513503329129 is a prime.

It is a Duffinian number.

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, 132984468329 + ... + 132984470678.

It is an arithmetic number, because the mean of its divisors is an integer number (32980148436992).

Almost surely, 2^{312513503333225} is an apocalyptic number.

It is an amenable number.

312513503333225 is a deficient number, since it is larger than the sum of its proper divisors (83248277910679).

312513503333225 is a wasteful number, since it uses less digits than its factorization.

312513503333225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265968939064 (or 265968939059 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 41.

Adding to 312513503333225 its reverse (522333305315213), we get a palindrome (834846808648438).

The spelling of 312513503333225 in words is "three hundred twelve trillion, five hundred thirteen billion, five hundred three million, three hundred thirty-three thousand, two hundred twenty-five".