3111203213311 has 8 divisors (see below), whose sum is σ = 3145054844448. Its totient is φ = 3077411340000.

The previous prime is 3111203213309. The next prime is 3111203213329. The reversal of 3111203213311 is 1133123021113.

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 3111203213311 - 2¹ = 3111203213309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111203213351) 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, 14834760 + ... + 15043021.

It is an arithmetic number, because the mean of its divisors is an integer number (393131855556).

Almost surely, 2^{3111203213311} is an apocalyptic number.

3111203213311 is a deficient number, since it is larger than the sum of its proper divisors (33851631137).

3111203213311 is a wasteful number, since it uses less digits than its factorization.

3111203213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29878913.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 3111203213311 its reverse (1133123021113), we get a palindrome (4244326234424).

The spelling of 3111203213311 in words is "three trillion, one hundred eleven billion, two hundred three million, two hundred thirteen thousand, three hundred eleven".