312463531551 has 32 divisors (see below), whose sum is σ = 468254730240. Its totient is φ = 184375233504.

The previous prime is 312463531531. The next prime is 312463531559. The reversal of 312463531551 is 155135364213.

It is not a de Polignac number, because 312463531551 - 2⁵ = 312463531519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312463531559) 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 31 ways as a sum of consecutive naturals, for example, 2715021 + ... + 2827766.

It is an arithmetic number, because the mean of its divisors is an integer number (14632960320).

Almost surely, 2^312463531551 is an apocalyptic number.

312463531551 is a deficient number, since it is larger than the sum of its proper divisors (155791198689).

312463531551 is a wasteful number, since it uses less digits than its factorization.

312463531551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542875.

The product of its digits is 162000, while the sum is 39.

Adding to 312463531551 its reverse (155135364213), we get a palindrome (467598895764).

The spelling of 312463531551 in words is "three hundred twelve billion, four hundred sixty-three million, five hundred thirty-one thousand, five hundred fifty-one".