1141307231 has 2 divisors, whose sum is σ = 1141307232. Its totient is φ = 1141307230.

The previous prime is 1141307221. The next prime is 1141307273. The reversal of 1141307231 is 1327031411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141307231 is a prime.

It is a super-2 number, since 2×1141307231² = 2605164391065774722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1141307197 and 1141307206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141307221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570653615 + 570653616.

It is an arithmetic number, because the mean of its divisors is an integer number (570653616).

Almost surely, 2^1141307231 is an apocalyptic number.

1141307231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141307231 is an equidigital number, since it uses as much as digits as its factorization.

1141307231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1141307231 is about 33783.2389062979. The cubic root of 1141307231 is about 1045.0430698883.

Adding to 1141307231 its reverse (1327031411), we get a palindrome (2468338642).

The spelling of 1141307231 in words is "one billion, one hundred forty-one million, three hundred seven thousand, two hundred thirty-one".