1304131143 has 8 divisors (see below), whose sum is σ = 1987247488. Its totient is φ = 745217784.

The previous prime is 1304131111. The next prime is 1304131163. The reversal of 1304131143 is 3411314031.

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

It is not a de Polignac number, because 1304131143 - 2⁵ = 1304131111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 62101483 = 1304131143 / (1 + 3 + 0 + 4 + 1 + 3 + 1 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304131163) 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, 31050721 + ... + 31050762.

It is an arithmetic number, because the mean of its divisors is an integer number (248405936).

Almost surely, 2^1304131143 is an apocalyptic number.

1304131143 is a deficient number, since it is larger than the sum of its proper divisors (683116345).

1304131143 is an equidigital number, since it uses as much as digits as its factorization.

1304131143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62101493.

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

The square root of 1304131143 is about 36112.7559596329. The cubic root of 1304131143 is about 1092.5477375646.

Adding to 1304131143 its reverse (3411314031), we get a palindrome (4715445174).

The spelling of 1304131143 in words is "one billion, three hundred four million, one hundred thirty-one thousand, one hundred forty-three".