1132131111 has 4 divisors (see below), whose sum is σ = 1509508152. Its totient is φ = 754754072.

The previous prime is 1132131097. The next prime is 1132131149. The reversal of 1132131111 is 1111312311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1111312311 = 3 ⋅370437437.

It is a cyclic number.

It is not a de Polignac number, because 1132131111 - 2⁷ = 1132130983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132131181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188688516 + ... + 188688521.

It is an arithmetic number, because the mean of its divisors is an integer number (377377038).

Almost surely, 2^1132131111 is an apocalyptic number.

1132131111 is a deficient number, since it is larger than the sum of its proper divisors (377377041).

1132131111 is an equidigital number, since it uses as much as digits as its factorization.

1132131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377377040.

The product of its digits is 18, while the sum is 15.

The square root of 1132131111 is about 33647.1560610997. The cubic root of 1132131111 is about 1042.2348118100.

Adding to 1132131111 its reverse (1111312311), we get a palindrome (2243443422).

The spelling of 1132131111 in words is "one billion, one hundred thirty-two million, one hundred thirty-one thousand, one hundred eleven".