1132431101 has 4 divisors (see below), whose sum is σ = 1158766752. Its totient is φ = 1106095452.

The previous prime is 1132431077. The next prime is 1132431127. The reversal of 1132431101 is 1011342311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132431101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1132431101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132431401) 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, 13167761 + ... + 13167846.

It is an arithmetic number, because the mean of its divisors is an integer number (289691688).

Almost surely, 2^1132431101 is an apocalyptic number.

It is an amenable number.

1132431101 is a deficient number, since it is larger than the sum of its proper divisors (26335651).

1132431101 is an equidigital number, since it uses as much as digits as its factorization.

1132431101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26335650.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1132431101 is about 33651.6136463023. The cubic root of 1132431101 is about 1042.3268601620.

Adding to 1132431101 its reverse (1011342311), we get a palindrome (2143773412).

The spelling of 1132431101 in words is "one billion, one hundred thirty-two million, four hundred thirty-one thousand, one hundred one".