312534331225 has 24 divisors (see below), whose sum is σ = 415533404160. Its totient is φ = 232341208320.

The previous prime is 312534331217. The next prime is 312534331243. The reversal of 312534331225 is 522133435213.

It is not a de Polignac number, because 312534331225 - 2³ = 312534331217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4620697 + ... + 4687846.

It is an arithmetic number, because the mean of its divisors is an integer number (17313891840).

Almost surely, 2^312534331225 is an apocalyptic number.

It is an amenable number.

312534331225 is a deficient number, since it is larger than the sum of its proper divisors (102999072935).

312534331225 is a wasteful number, since it uses less digits than its factorization.

312534331225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308649 (or 9308644 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

Adding to 312534331225 its reverse (522133435213), we get a palindrome (834667766438).

The spelling of 312534331225 in words is "three hundred twelve billion, five hundred thirty-four million, three hundred thirty-one thousand, two hundred twenty-five".