1132231313 has 4 divisors (see below), whose sum is σ = 1132561728. Its totient is φ = 1131900900.

The previous prime is 1132231301. The next prime is 1132231319. The reversal of 1132231313 is 3131322311.

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 not a de Polignac number, because 1132231313 - 2¹⁴ = 1132214929 is a prime.

It is a super-2 number, since 2×1132231313² = 2563895492275407938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132231319) 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, 160013 + ... + 166938.

It is an arithmetic number, because the mean of its divisors is an integer number (283140432).

Almost surely, 2^1132231313 is an apocalyptic number.

It is an amenable number.

1132231313 is a deficient number, since it is larger than the sum of its proper divisors (330415).

1132231313 is an equidigital number, since it uses as much as digits as its factorization.

1132231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330414.

The product of its digits is 324, while the sum is 20.

The square root of 1132231313 is about 33648.6450395852. The cubic root of 1132231313 is about 1042.2655594064.

Adding to 1132231313 its reverse (3131322311), we get a palindrome (4263553624).

The spelling of 1132231313 in words is "one billion, one hundred thirty-two million, two hundred thirty-one thousand, three hundred thirteen".