143640400308311 has 2 divisors, whose sum is σ = 143640400308312. Its totient is φ = 143640400308310.

The previous prime is 143640400308187. The next prime is 143640400308407. The reversal of 143640400308311 is 113803004046341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143640400308311 - 2¹⁸ = 143640400046167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143640400328311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71820200154155 + 71820200154156.

It is an arithmetic number, because the mean of its divisors is an integer number (71820200154156).

Almost surely, 2^{143640400308311} is an apocalyptic number.

143640400308311 is a deficient number, since it is larger than the sum of its proper divisors (1).

143640400308311 is an equidigital number, since it uses as much as digits as its factorization.

143640400308311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 143640400308311 in words is "one hundred forty-three trillion, six hundred forty billion, four hundred million, three hundred eight thousand, three hundred eleven".