312311425 has 6 divisors (see below), whose sum is σ = 387266198. Its totient is φ = 249849120.

The previous prime is 312311401. The next prime is 312311431. The reversal of 312311425 is 524113213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1459264 + 310852161 = 1208^2 + 17631^2 .

It is not a de Polignac number, because 312311425 - 2¹¹ = 312309377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312311396 and 312311405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6246204 + ... + 6246253.

Almost surely, 2^312311425 is an apocalyptic number.

It is an amenable number.

312311425 is a deficient number, since it is larger than the sum of its proper divisors (74954773).

312311425 is a wasteful number, since it uses less digits than its factorization.

312311425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492467 (or 12492462 counting only the distinct ones).

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

The square root of 312311425 is about 17672.3350183274. The cubic root of 312311425 is about 678.4678776693.

Adding to 312311425 its reverse (524113213), we get a palindrome (836424638).

The spelling of 312311425 in words is "three hundred twelve million, three hundred eleven thousand, four hundred twenty-five".