111313211310 has 192 divisors, whose sum is σ = 351815400000. Its totient is φ = 24962805504.

The previous prime is 111313211279. The next prime is 111313211377. The reversal of 111313211310 is 13112313111.

111313211310 is a `hidden beast` number, since 1 + 1 + 1 + 31 + 321 + 1 + 310 = 666.

It is a super-2 number, since 2×111313211310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 621816 + ... + 780564.

It is an arithmetic number, because the mean of its divisors is an integer number (1832371875).

Almost surely, 2^111313211310 is an apocalyptic number.

111313211310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111313211310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175907700000).

111313211310 is an abundant number, since it is smaller than the sum of its proper divisors (240502188690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111313211310 is a wasteful number, since it uses less digits than its factorization.

111313211310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158832 (or 158819 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111313211310 its reverse (13112313111), we get a palindrome (124425524421).

The spelling of 111313211310 in words is "one hundred eleven billion, three hundred thirteen million, two hundred eleven thousand, three hundred ten".