311113201021123 has 8 divisors (see below), whose sum is σ = 312924824499600. Its totient is φ = 309302394886368.

The previous prime is 311113201021121. The next prime is 311113201021157. The reversal of 311113201021123 is 321120102311113.

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 311113201021123 - 2¹ = 311113201021121 is a prime.

It is a super-2 number, since 2×311113201021123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311113201021094 and 311113201021103.

It is not an unprimeable number, because it can be changed into a prime (311113201021121) 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, 203572428 + ... + 205095001.

It is an arithmetic number, because the mean of its divisors is an integer number (39115603062450).

Almost surely, 2^{311113201021123} is an apocalyptic number.

311113201021123 is a deficient number, since it is larger than the sum of its proper divisors (1811623478477).

311113201021123 is a wasteful number, since it uses less digits than its factorization.

311113201021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408671861.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 311113201021123 its reverse (321120102311113), we get a palindrome (632233303332236).

The spelling of 311113201021123 in words is "three hundred eleven trillion, one hundred thirteen billion, two hundred one million, twenty-one thousand, one hundred twenty-three".