311211142343011 has 8 divisors (see below), whose sum is σ = 329710493312640. Its totient is φ = 292733215060608.

The previous prime is 311211142342999. The next prime is 311211142343063. The reversal of 311211142343011 is 110343241112113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311211142343011 - 2²⁵ = 311211108788579 is a prime.

It is a super-2 number, since 2×311211142343011² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311211142373011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5355891891 + ... + 5355949996.

It is an arithmetic number, because the mean of its divisors is an integer number (41213811664080).

Almost surely, 2^{311211142343011} is an apocalyptic number.

311211142343011 is a deficient number, since it is larger than the sum of its proper divisors (18499350969629).

311211142343011 is a wasteful number, since it uses less digits than its factorization.

311211142343011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711843613.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 311211142343011 its reverse (110343241112113), we get a palindrome (421554383455124).

The spelling of 311211142343011 in words is "three hundred eleven trillion, two hundred eleven billion, one hundred forty-two million, three hundred forty-three thousand, eleven".