312461099305 has 16 divisors (see below), whose sum is σ = 397022509584. Its totient is φ = 235257057280.

The previous prime is 312461099273. The next prime is 312461099329. The reversal of 312461099305 is 503990164213.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38334507264 + 274126592041 = 195792^2 + 523571^2 .

It is not a de Polignac number, because 312461099305 - 2⁵ = 312461099273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4868625 + ... + 4932385.

It is an arithmetic number, because the mean of its divisors is an integer number (24813906849).

Almost surely, 2^312461099305 is an apocalyptic number.

It is an amenable number.

312461099305 is a deficient number, since it is larger than the sum of its proper divisors (84561410279).

312461099305 is a wasteful number, since it uses less digits than its factorization.

312461099305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121436.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 312461099305 in words is "three hundred twelve billion, four hundred sixty-one million, ninety-nine thousand, three hundred five".