311102310021213 has 8 divisors (see below), whose sum is σ = 416154230127328. Its totient is φ = 206725964964624.

The previous prime is 311102310021203. The next prime is 311102310021227. The reversal of 311102310021213 is 312120013201113.

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

It is not a de Polignac number, because 311102310021213 - 2¹² = 311102310017117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311102310021213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311102310021203) 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, 168893761306 + ... + 168893763147.

It is an arithmetic number, because the mean of its divisors is an integer number (52019278765916).

Almost surely, 2^{311102310021213} is an apocalyptic number.

It is an amenable number.

311102310021213 is a deficient number, since it is larger than the sum of its proper divisors (105051920106115).

311102310021213 is a wasteful number, since it uses less digits than its factorization.

311102310021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337787524763.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 311102310021213 its reverse (312120013201113), we get a palindrome (623222323222326).

The spelling of 311102310021213 in words is "three hundred eleven trillion, one hundred two billion, three hundred ten million, twenty-one thousand, two hundred thirteen".