1141321331 has 2 divisors, whose sum is σ = 1141321332. Its totient is φ = 1141321330.

The previous prime is 1141321319. The next prime is 1141321339. The reversal of 1141321331 is 1331231411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1141321331 - 2¹⁰ = 1141320307 is a prime.

It is a super-2 number, since 2×1141321331² = 2605228761191223122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1141321339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570660665 + 570660666.

It is an arithmetic number, because the mean of its divisors is an integer number (570660666).

Almost surely, 2^1141321331 is an apocalyptic number.

1141321331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141321331 is an equidigital number, since it uses as much as digits as its factorization.

1141321331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 1141321331 is about 33783.4475890191. The cubic root of 1141321331 is about 1045.0473734466.

Adding to 1141321331 its reverse (1331231411), we get a palindrome (2472552742).

The spelling of 1141321331 in words is "one billion, one hundred forty-one million, three hundred twenty-one thousand, three hundred thirty-one".