311092191113 has 16 divisors (see below), whose sum is σ = 340879968000. Its totient is φ = 281556132480.

The previous prime is 311092191103. The next prime is 311092191131. The reversal of 311092191113 is 311191290113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 311092191113 - 2¹⁰ = 311092190089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311092191113.

It is not an unprimeable number, because it can be changed into a prime (311092191103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12209495 + ... + 12234947.

It is an arithmetic number, because the mean of its divisors is an integer number (21304998000).

Almost surely, 2^311092191113 is an apocalyptic number.

It is an amenable number.

311092191113 is a deficient number, since it is larger than the sum of its proper divisors (29787776887).

311092191113 is a wasteful number, since it uses less digits than its factorization.

311092191113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30352.

The product of its (nonzero) digits is 1458, while the sum is 32.

It can be divided in two parts, 311092 and 191113, that added together give a palindrome (502205).

The spelling of 311092191113 in words is "three hundred eleven billion, ninety-two million, one hundred ninety-one thousand, one hundred thirteen".