311230211102 has 16 divisors (see below), whose sum is σ = 475732822320. Its totient is φ = 152653580352.

The previous prime is 311230211101. The next prime is 311230211129. The reversal of 311230211102 is 201112032113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311230211101) 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, 404333 + ... + 886535.

It is an arithmetic number, because the mean of its divisors is an integer number (29733301395).

Almost surely, 2^311230211102 is an apocalyptic number.

311230211102 is a deficient number, since it is larger than the sum of its proper divisors (164502611218).

311230211102 is a wasteful number, since it uses less digits than its factorization.

311230211102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488347.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 311230211102 its reverse (201112032113), we get a palindrome (512342243215).

The spelling of 311230211102 in words is "three hundred eleven billion, two hundred thirty million, two hundred eleven thousand, one hundred two".