1312141143 has 8 divisors (see below), whose sum is σ = 1757367808. Its totient is φ = 870837624.

The previous prime is 1312141133. The next prime is 1312141157. The reversal of 1312141143 is 3411412131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312141143 - 2⁵ = 1312141111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312141133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980005 + ... + 981342.

It is an arithmetic number, because the mean of its divisors is an integer number (219670976).

Almost surely, 2^1312141143 is an apocalyptic number.

1312141143 is a deficient number, since it is larger than the sum of its proper divisors (445226665).

1312141143 is a wasteful number, since it uses less digits than its factorization.

1312141143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961573.

The product of its digits is 288, while the sum is 21.

The square root of 1312141143 is about 36223.4888297635. The cubic root of 1312141143 is about 1094.7799904096.

Adding to 1312141143 its reverse (3411412131), we get a palindrome (4723553274).

The spelling of 1312141143 in words is "one billion, three hundred twelve million, one hundred forty-one thousand, one hundred forty-three".