1113102320 has 40 divisors (see below), whose sum is σ = 2823234480. Its totient is φ = 404764160.

The previous prime is 1113102311. The next prime is 1113102329. The reversal of 1113102320 is 232013111.

It is an interprime number because it is at equal distance from previous prime (1113102311) and next prime (1113102329).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1113102295 and 1113102304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113102329) 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, 631565 + ... + 633324.

It is an arithmetic number, because the mean of its divisors is an integer number (70580862).

Almost surely, 2^1113102320 is an apocalyptic number.

1113102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113102320 is an abundant number, since it is smaller than the sum of its proper divisors (1710132160).

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

1113102320 is a wasteful number, since it uses less digits than its factorization.

1113102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264913 (or 1264907 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1113102320 is about 33363.1880970629. The cubic root of 1113102320 is about 1036.3625143202.

Adding to 1113102320 its reverse (232013111), we get a palindrome (1345115431).

The spelling of 1113102320 in words is "one billion, one hundred thirteen million, one hundred two thousand, three hundred twenty".