1143346471 has 2 divisors, whose sum is σ = 1143346472. Its totient is φ = 1143346470.

The previous prime is 1143346439. The next prime is 1143346499. The reversal of 1143346471 is 1746433411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1143346471 - 2⁵ = 1143346439 is a prime.

It is a super-3 number, since 3×1143346471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143446471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571673235 + 571673236.

It is an arithmetic number, because the mean of its divisors is an integer number (571673236).

Almost surely, 2^1143346471 is an apocalyptic number.

1143346471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143346471 is an equidigital number, since it uses as much as digits as its factorization.

1143346471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 1143346471 is about 33813.4066754594. The cubic root of 1143346471 is about 1045.6651126304.

Adding to 1143346471 its reverse (1746433411), we get a palindrome (2889779882).

The spelling of 1143346471 in words is "one billion, one hundred forty-three million, three hundred forty-six thousand, four hundred seventy-one".