1112311320 has 64 divisors (see below), whose sum is σ = 3374460000. Its totient is φ = 293280768.

The previous prime is 1112311313. The next prime is 1112311337. The reversal of 1112311320 is 231132111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1112311320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41395 + ... + 62754.

Almost surely, 2^1112311320 is an apocalyptic number.

1112311320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112311320 is an abundant number, since it is smaller than the sum of its proper divisors (2262148680).

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

1112311320 is a wasteful number, since it uses less digits than its factorization.

1112311320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104252 (or 104248 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1112311320 is about 33351.3316075985. The cubic root of 1112311320 is about 1036.1169672600.

Adding to 1112311320 its reverse (231132111), we get a palindrome (1343443431).

The spelling of 1112311320 in words is "one billion, one hundred twelve million, three hundred eleven thousand, three hundred twenty".