312656303426 has 4 divisors (see below), whose sum is σ = 468984455142. Its totient is φ = 156328151712.

The previous prime is 312656303381. The next prime is 312656303473. The reversal of 312656303426 is 624303656213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 310025126401 + 2631177025 = 556799^2 + 51295^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78164075855 + ... + 78164075858.

Almost surely, 2^312656303426 is an apocalyptic number.

312656303426 is a deficient number, since it is larger than the sum of its proper divisors (156328151716).

312656303426 is a wasteful number, since it uses less digits than its factorization.

312656303426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156328151715.

The product of its (nonzero) digits is 466560, while the sum is 41.

Adding to 312656303426 its reverse (624303656213), we get a palindrome (936959959639).

The spelling of 312656303426 in words is "three hundred twelve billion, six hundred fifty-six million, three hundred three thousand, four hundred twenty-six".