312305111305 has 8 divisors (see below), whose sum is σ = 408835782144. Its totient is φ = 227130990000.

The previous prime is 312305111291. The next prime is 312305111383. The reversal of 312305111305 is 503111503213.

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

It is not a de Polignac number, because 312305111305 - 2¹¹ = 312305109257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312305111305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2839137321 + ... + 2839137430.

It is an arithmetic number, because the mean of its divisors is an integer number (51104472768).

Almost surely, 2^312305111305 is an apocalyptic number.

It is an amenable number.

312305111305 is a deficient number, since it is larger than the sum of its proper divisors (96530670839).

312305111305 is a wasteful number, since it uses less digits than its factorization.

312305111305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678274767.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 312305111305 its reverse (503111503213), we get a palindrome (815416614518).

The spelling of 312305111305 in words is "three hundred twelve billion, three hundred five million, one hundred eleven thousand, three hundred five".