312546965481 has 27 divisors (see below), whose sum is σ = 453630501597. Its totient is φ = 207366164280.

The previous prime is 312546965449. The next prime is 312546965543. The reversal of 312546965481 is 184569645213.

The square root of 312546965481 is 559059.

It is a perfect power (a square), and thus also a powerful number.

312546965481 is a `hidden beast` number, since 3 + 1 + 2 + 5 + 4 + 6 + 96 + 548 + 1 = 666.

It is not a de Polignac number, because 312546965481 - 2⁵ = 312546965449 is a prime.

It is a super-2 number, since 2×312546965481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312546965411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 555145306 + ... + 555145868.

Almost surely, 2^312546965481 is an apocalyptic number.

312546965481 is the 559059-th square number.

312546965481 is the 279530-th centered octagonal number.

It is an amenable number.

312546965481 is a deficient number, since it is larger than the sum of its proper divisors (141083536116).

312546965481 is an frugal number, since it uses more digits than its factorization.

312546965481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 897 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 312546965481 in words is "three hundred twelve billion, five hundred forty-six million, nine hundred sixty-five thousand, four hundred eighty-one".