1132312131 has 6 divisors (see below), whose sum is σ = 1635561980. Its totient is φ = 754874748.

The previous prime is 1132312123. The next prime is 1132312133. The reversal of 1132312131 is 1312132311.

It is not a de Polignac number, because 1132312131 - 2³ = 1132312123 is a prime.

It is a super-2 number, since 2×1132312131² = 2564261524019522322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132312133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62906221 + ... + 62906238.

Almost surely, 2^1132312131 is an apocalyptic number.

1132312131 is a deficient number, since it is larger than the sum of its proper divisors (503249849).

1132312131 is a wasteful number, since it uses less digits than its factorization.

1132312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125812465 (or 125812462 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1132312131 is about 33649.8459283248. The cubic root of 1132312131 is about 1042.2903575824.

Adding to 1132312131 its reverse (1312132311), we get a palindrome (2444444442).

The spelling of 1132312131 in words is "one billion, one hundred thirty-two million, three hundred twelve thousand, one hundred thirty-one".