311132323209 has 16 divisors (see below), whose sum is σ = 425833914240. Its totient is φ = 201946919040.

The previous prime is 311132323169. The next prime is 311132323211. The reversal of 311132323209 is 902323231113.

311132323209 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 311132323209 - 2⁸ = 311132322953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311132323279) 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, 2537154 + ... + 2656955.

It is an arithmetic number, because the mean of its divisors is an integer number (26614619640).

Almost surely, 2^311132323209 is an apocalyptic number.

It is an amenable number.

311132323209 is a deficient number, since it is larger than the sum of its proper divisors (114701591031).

311132323209 is a wasteful number, since it uses less digits than its factorization.

311132323209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194640.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 311132323209 in words is "three hundred eleven billion, one hundred thirty-two million, three hundred twenty-three thousand, two hundred nine".