1143331151 has 2 divisors, whose sum is σ = 1143331152. Its totient is φ = 1143331150.

The previous prime is 1143331139. The next prime is 1143331229. The reversal of 1143331151 is 1511333411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143331151 is a prime.

It is a super-2 number, since 2×1143331151² = 2614412241693969602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143331121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571665575 + 571665576.

It is an arithmetic number, because the mean of its divisors is an integer number (571665576).

Almost surely, 2^1143331151 is an apocalyptic number.

1143331151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143331151 is an equidigital number, since it uses as much as digits as its factorization.

1143331151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 23.

The square root of 1143331151 is about 33813.1801373370. The cubic root of 1143331151 is about 1045.6604422290.

Adding to 1143331151 its reverse (1511333411), we get a palindrome (2654664562).

The spelling of 1143331151 in words is "one billion, one hundred forty-three million, three hundred thirty-one thousand, one hundred fifty-one".