312818884451 has 8 divisors (see below), whose sum is σ = 317456941824. Its totient is φ = 308187276040.

The previous prime is 312818884361. The next prime is 312818884481. The reversal of 312818884451 is 154488818213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312818884451 - 2¹⁰ = 312818883427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312818884393 and 312818884402.

It is not an unprimeable number, because it can be changed into a prime (312818884481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514465 + ... + 1708578.

It is an arithmetic number, because the mean of its divisors is an integer number (39682117728).

Almost surely, 2^312818884451 is an apocalyptic number.

312818884451 is a deficient number, since it is larger than the sum of its proper divisors (4638057373).

312818884451 is a wasteful number, since it uses less digits than its factorization.

312818884451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224481.

The product of its digits is 1966080, while the sum is 53.

The spelling of 312818884451 in words is "three hundred twelve billion, eight hundred eighteen million, eight hundred eighty-four thousand, four hundred fifty-one".