312310423225 has 6 divisors (see below), whose sum is σ = 387264924830. Its totient is φ = 249848338560.

The previous prime is 312310423223. The next prime is 312310423253. The reversal of 312310423225 is 522324013213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 866066041 + 311444357184 = 29429^2 + 558072^2 .

It is not a de Polignac number, because 312310423225 - 2¹ = 312310423223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312310423193 and 312310423202.

It is not an unprimeable number, because it can be changed into a prime (312310423223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6246208440 + ... + 6246208489.

Almost surely, 2^312310423225 is an apocalyptic number.

It is an amenable number.

312310423225 is a deficient number, since it is larger than the sum of its proper divisors (74954501605).

312310423225 is a wasteful number, since it uses less digits than its factorization.

312310423225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492416939 (or 12492416934 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 312310423225 its reverse (522324013213), we get a palindrome (834634436438).

The spelling of 312310423225 in words is "three hundred twelve billion, three hundred ten million, four hundred twenty-three thousand, two hundred twenty-five".