1132231031 has 4 divisors (see below), whose sum is σ = 1159846464. Its totient is φ = 1104615600.

The previous prime is 1132230977. The next prime is 1132231039. The reversal of 1132231031 is 1301322311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1132231031 - 2¹⁴ = 1132214647 is a prime.

It is a super-2 number, since 2×1132231031² = 2563894215118645922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132231039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13807655 + ... + 13807736.

It is an arithmetic number, because the mean of its divisors is an integer number (289961616).

Almost surely, 2^1132231031 is an apocalyptic number.

1132231031 is a deficient number, since it is larger than the sum of its proper divisors (27615433).

1132231031 is an equidigital number, since it uses as much as digits as its factorization.

1132231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27615432.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1132231031 is about 33648.6408492230. The cubic root of 1132231031 is about 1042.2654728756.

Adding to 1132231031 its reverse (1301322311), we get a palindrome (2433553342).

The spelling of 1132231031 in words is "one billion, one hundred thirty-two million, two hundred thirty-one thousand, thirty-one".