1316322143 has 2 divisors, whose sum is σ = 1316322144. Its totient is φ = 1316322142.

The previous prime is 1316322103. The next prime is 1316322157. The reversal of 1316322143 is 3412236131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1316322143 - 2⁸ = 1316321887 is a prime.

It is a super-2 number, since 2×1316322143² = 3465407968304224898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1316322103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658161071 + 658161072.

It is an arithmetic number, because the mean of its divisors is an integer number (658161072).

Almost surely, 2^1316322143 is an apocalyptic number.

1316322143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1316322143 is an equidigital number, since it uses as much as digits as its factorization.

1316322143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 1316322143 is about 36281.1541023711. The cubic root of 1316322143 is about 1095.9415580462.

Adding to 1316322143 its reverse (3412236131), we get a palindrome (4728558274).

The spelling of 1316322143 in words is "one billion, three hundred sixteen million, three hundred twenty-two thousand, one hundred forty-three".