312313033544 has 16 divisors (see below), whose sum is σ = 585964029420. Its totient is φ = 156055959040.

The previous prime is 312313033537. The next prime is 312313033619. The reversal of 312313033544 is 445330313213.

It can be written as a sum of positive squares in 2 ways, for example, as 302101931044 + 10211102500 = 549638^2 + 101050^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312313033544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12556517 + ... + 12581364.

Almost surely, 2^312313033544 is an apocalyptic number.

It is an amenable number.

312313033544 is a deficient number, since it is larger than the sum of its proper divisors (273650995876).

312313033544 is a wasteful number, since it uses less digits than its factorization.

312313033544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25139440 (or 25139436 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 312313033544 its reverse (445330313213), we get a palindrome (757643346757).

The spelling of 312313033544 in words is "three hundred twelve billion, three hundred thirteen million, thirty-three thousand, five hundred forty-four".