1312224143 has 2 divisors, whose sum is σ = 1312224144. Its totient is φ = 1312224142.

The previous prime is 1312224091. The next prime is 1312224167. The reversal of 1312224143 is 3414222131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312224143 - 2¹⁰ = 1312223119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312224743) 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 as a sum of consecutive naturals, namely, 656112071 + 656112072.

It is an arithmetic number, because the mean of its divisors is an integer number (656112072).

Almost surely, 2^1312224143 is an apocalyptic number.

1312224143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312224143 is an equidigital number, since it uses as much as digits as its factorization.

1312224143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 1312224143 is about 36224.6344771069. The cubic root of 1312224143 is about 1094.8030735014.

Adding to 1312224143 its reverse (3414222131), we get a palindrome (4726446274).

The spelling of 1312224143 in words is "one billion, three hundred twelve million, two hundred twenty-four thousand, one hundred forty-three".