311432101211 has 16 divisors (see below), whose sum is σ = 389452063488. Its totient is φ = 241941189600.

The previous prime is 311432101153. The next prime is 311432101213. The reversal of 311432101211 is 112101234113.

It is not a de Polignac number, because 311432101211 - 2⁶ = 311432101147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311432101213) 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 15 ways as a sum of consecutive naturals, for example, 6084140 + ... + 6135113.

It is an arithmetic number, because the mean of its divisors is an integer number (24340753968).

Almost surely, 2^311432101211 is an apocalyptic number.

311432101211 is a deficient number, since it is larger than the sum of its proper divisors (78019962277).

311432101211 is a wasteful number, since it uses less digits than its factorization.

311432101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12219602.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 311432101211 its reverse (112101234113), we get a palindrome (423533335324).

The spelling of 311432101211 in words is "three hundred eleven billion, four hundred thirty-two million, one hundred one thousand, two hundred eleven".