1113500131 has 8 divisors (see below), whose sum is σ = 1123271424. Its totient is φ = 1103748360.

The previous prime is 1113500117. The next prime is 1113500177. The reversal of 1113500131 is 1310053111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1113500131 is a prime.

It is a super-2 number, since 2×1113500131² = 2479765083474034322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113500231) 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, 124450 + ... + 133096.

It is an arithmetic number, because the mean of its divisors is an integer number (140408928).

Almost surely, 2^1113500131 is an apocalyptic number.

1113500131 is a deficient number, since it is larger than the sum of its proper divisors (9771293).

1113500131 is an equidigital number, since it uses as much as digits as its factorization.

1113500131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1113500131 is about 33369.1493898181. The cubic root of 1113500131 is about 1036.4859612834.

Adding to 1113500131 its reverse (1310053111), we get a palindrome (2423553242).

The spelling of 1113500131 in words is "one billion, one hundred thirteen million, five hundred thousand, one hundred thirty-one".