1113311420 has 24 divisors (see below), whose sum is σ = 2517797184. Its totient is φ = 411068736.

The previous prime is 1113311411. The next prime is 1113311431. The reversal of 1113311420 is 241133111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140724 + ... + 2141243.

It is an arithmetic number, because the mean of its divisors is an integer number (104908216).

Almost surely, 2^1113311420 is an apocalyptic number.

1113311420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113311420 is an abundant number, since it is smaller than the sum of its proper divisors (1404485764).

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

1113311420 is a wasteful number, since it uses less digits than its factorization.

1113311420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281989 (or 4281987 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1113311420 is about 33366.3216432378. The cubic root of 1113311420 is about 1036.4274049805.

Adding to 1113311420 its reverse (241133111), we get a palindrome (1354444531).

The spelling of 1113311420 in words is "one billion, one hundred thirteen million, three hundred eleven thousand, four hundred twenty".