311213033099 has 4 divisors (see below), whose sum is σ = 327592666440. Its totient is φ = 294833399760.

The previous prime is 311213033083. The next prime is 311213033141. The reversal of 311213033099 is 990330312113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990330312113 = 43 ⋅23030937491.

It is a cyclic number.

It is not a de Polignac number, because 311213033099 - 2⁴ = 311213033083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311213033399) 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, 8189816642 + ... + 8189816679.

It is an arithmetic number, because the mean of its divisors is an integer number (81898166610).

Almost surely, 2^311213033099 is an apocalyptic number.

311213033099 is a deficient number, since it is larger than the sum of its proper divisors (16379633341).

311213033099 is a wasteful number, since it uses less digits than its factorization.

311213033099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16379633340.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 311213033099 in words is "three hundred eleven billion, two hundred thirteen million, thirty-three thousand, ninety-nine".