1314311143 has 4 divisors (see below), whose sum is σ = 1315101240. Its totient is φ = 1313521048.

The previous prime is 1314311137. The next prime is 1314311153. The reversal of 1314311143 is 3411134131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3411134131 = 191 ⋅17859341.

It is a cyclic number.

It is not a de Polignac number, because 1314311143 - 2⁹ = 1314310631 is a prime.

It is a super-2 number, since 2×1314311143² = 3454827561227932898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314311113) 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 3 ways as a sum of consecutive naturals, for example, 392548 + ... + 395881.

It is an arithmetic number, because the mean of its divisors is an integer number (328775310).

Almost surely, 2^1314311143 is an apocalyptic number.

1314311143 is a deficient number, since it is larger than the sum of its proper divisors (790097).

1314311143 is an equidigital number, since it uses as much as digits as its factorization.

1314311143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790096.

The product of its digits is 432, while the sum is 22.

The square root of 1314311143 is about 36253.4293964033. The cubic root of 1314311143 is about 1095.3831684484.

Adding to 1314311143 its reverse (3411134131), we get a palindrome (4725445274).

The spelling of 1314311143 in words is "one billion, three hundred fourteen million, three hundred eleven thousand, one hundred forty-three".