1132312331 has 8 divisors (see below), whose sum is σ = 1160105184. Its totient is φ = 1104848640.

The previous prime is 1132312303. The next prime is 1132312339. The reversal of 1132312331 is 1332132311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132312331 is a prime.

It is a super-2 number, since 2×1132312331² = 2564262429869307122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132312339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75320 + ... + 89093.

It is an arithmetic number, because the mean of its divisors is an integer number (145013148).

Almost surely, 2^1132312331 is an apocalyptic number.

1132312331 is a deficient number, since it is larger than the sum of its proper divisors (27792853).

1132312331 is an equidigital number, since it uses as much as digits as its factorization.

1132312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164581.

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

The square root of 1132312331 is about 33649.8489001065. The cubic root of 1132312331 is about 1042.2904189489.

Adding to 1132312331 its reverse (1332132311), we get a palindrome (2464444642).

The spelling of 1132312331 in words is "one billion, one hundred thirty-two million, three hundred twelve thousand, three hundred thirty-one".