312113113311 has 4 divisors (see below), whose sum is σ = 416150817752. Its totient is φ = 208075408872.

The previous prime is 312113113309. The next prime is 312113113327. The reversal of 312113113311 is 113311311213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113311311213 = 3 ⋅37770437071.

It is not a de Polignac number, because 312113113311 - 2¹ = 312113113309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113113391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52018852216 + ... + 52018852221.

It is an arithmetic number, because the mean of its divisors is an integer number (104037704438).

Almost surely, 2^312113113311 is an apocalyptic number.

312113113311 is a deficient number, since it is larger than the sum of its proper divisors (104037704441).

312113113311 is a wasteful number, since it uses less digits than its factorization.

312113113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104037704440.

The product of its digits is 162, while the sum is 21.

Adding to 312113113311 its reverse (113311311213), we get a palindrome (425424424524).

The spelling of 312113113311 in words is "three hundred twelve billion, one hundred thirteen million, one hundred thirteen thousand, three hundred eleven".