312425225146 has 4 divisors (see below), whose sum is σ = 468637837722. Its totient is φ = 156212612572.

The previous prime is 312425225129. The next prime is 312425225153. The reversal of 312425225146 is 641522524213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641522524213 = 39301 ⋅16323313.

It can be written as a sum of positive squares in only one way, i.e., 263590854921 + 48834370225 = 513411^2 + 220985^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78106306285 + ... + 78106306288.

Almost surely, 2^312425225146 is an apocalyptic number.

312425225146 is a deficient number, since it is larger than the sum of its proper divisors (156212612576).

312425225146 is a wasteful number, since it uses less digits than its factorization.

312425225146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156212612575.

The product of its digits is 115200, while the sum is 37.

Adding to 312425225146 its reverse (641522524213), we get a palindrome (953947749359).

The spelling of 312425225146 in words is "three hundred twelve billion, four hundred twenty-five million, two hundred twenty-five thousand, one hundred forty-six".