143105322131 has 2 divisors, whose sum is σ = 143105322132. Its totient is φ = 143105322130.

The previous prime is 143105322071. The next prime is 143105322137. The reversal of 143105322131 is 131223501341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143105322131 - 2¹⁴ = 143105305747 is a prime.

It is a super-2 number, since 2×143105322131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143105322131.

It is not a weakly prime, because it can be changed into another prime (143105322137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71552661065 + 71552661066.

It is an arithmetic number, because the mean of its divisors is an integer number (71552661066).

Almost surely, 2^143105322131 is an apocalyptic number.

143105322131 is a deficient number, since it is larger than the sum of its proper divisors (1).

143105322131 is an equidigital number, since it uses as much as digits as its factorization.

143105322131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 143105322131 its reverse (131223501341), we get a palindrome (274328823472).

The spelling of 143105322131 in words is "one hundred forty-three billion, one hundred five million, three hundred twenty-two thousand, one hundred thirty-one".