1331041143 has 16 divisors (see below), whose sum is σ = 1871205120. Its totient is φ = 839272896.

The previous prime is 1331041123. The next prime is 1331041199. The reversal of 1331041143 is 3411401331.

It is not a de Polignac number, because 1331041143 - 2⁵ = 1331041111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331041123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16246 + ... + 54092.

It is an arithmetic number, because the mean of its divisors is an integer number (116950320).

Almost surely, 2^1331041143 is an apocalyptic number.

1331041143 is a deficient number, since it is larger than the sum of its proper divisors (540163977).

1331041143 is a wasteful number, since it uses less digits than its factorization.

1331041143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38486.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1331041143 is about 36483.4365568815. The cubic root of 1331041143 is about 1100.0113340430.

Adding to 1331041143 its reverse (3411401331), we get a palindrome (4742442474).

The spelling of 1331041143 in words is "one billion, three hundred thirty-one million, forty-one thousand, one hundred forty-three".