1141232311 has 2 divisors, whose sum is σ = 1141232312. Its totient is φ = 1141232310.

The previous prime is 1141232303. The next prime is 1141232371. The reversal of 1141232311 is 1132321411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1141232311 - 2³ = 1141232303 is a prime.

It is a super-2 number, since 2×1141232311² = 2604822375340801442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141232371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570616155 + 570616156.

It is an arithmetic number, because the mean of its divisors is an integer number (570616156).

Almost surely, 2^1141232311 is an apocalyptic number.

1141232311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141232311 is an equidigital number, since it uses as much as digits as its factorization.

1141232311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 1141232311 is about 33782.1300542165. The cubic root of 1141232311 is about 1045.0202024436.

Adding to 1141232311 its reverse (1132321411), we get a palindrome (2273553722).

The spelling of 1141232311 in words is "one billion, one hundred forty-one million, two hundred thirty-two thousand, three hundred eleven".