311123103315 has 16 divisors (see below), whose sum is σ = 498038312448. Its totient is φ = 165851872736.

The previous prime is 311123103257. The next prime is 311123103367. The reversal of 311123103315 is 513301321113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 311123103315 - 2¹⁴ = 311123086931 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4996089 + ... + 5057978.

It is an arithmetic number, because the mean of its divisors is an integer number (31127394528).

Almost surely, 2^311123103315 is an apocalyptic number.

311123103315 is a deficient number, since it is larger than the sum of its proper divisors (186915209133).

311123103315 is a wasteful number, since it uses less digits than its factorization.

311123103315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056138.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 311123103315 its reverse (513301321113), we get a palindrome (824424424428).

The spelling of 311123103315 in words is "three hundred eleven billion, one hundred twenty-three million, one hundred three thousand, three hundred fifteen".