1113131610 has 96 divisors (see below), whose sum is σ = 3107849472. Its totient is φ = 275412480.

The previous prime is 1113131561. The next prime is 1113131623. The reversal of 1113131610 is 161313111.

1113131610 is a `hidden beast` number, since 11 + 13 + 1 + 31 + 610 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103507 + ... + 113753.

It is an arithmetic number, because the mean of its divisors is an integer number (32373432).

Almost surely, 2^1113131610 is an apocalyptic number.

1113131610 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 1113131610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553924736).

1113131610 is an abundant number, since it is smaller than the sum of its proper divisors (1994717862).

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

1113131610 is a wasteful number, since it uses less digits than its factorization.

1113131610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10348 (or 10345 counting only the distinct ones).

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

The square root of 1113131610 is about 33363.6270510267. The cubic root of 1113131610 is about 1036.3716044674.

Adding to 1113131610 its reverse (161313111), we get a palindrome (1274444721).

The spelling of 1113131610 in words is "one billion, one hundred thirteen million, one hundred thirty-one thousand, six hundred ten".