143310001979 has 2 divisors, whose sum is σ = 143310001980. Its totient is φ = 143310001978.

The previous prime is 143310001957. The next prime is 143310002039. The reversal of 143310001979 is 979100013341.

It is a weak prime.

It is an emirp because it is prime and its reverse (979100013341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143310001979 is a prime.

It is not a weakly prime, because it can be changed into another prime (143310001909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71655000989 + 71655000990.

It is an arithmetic number, because the mean of its divisors is an integer number (71655000990).

Almost surely, 2^143310001979 is an apocalyptic number.

143310001979 is a deficient number, since it is larger than the sum of its proper divisors (1).

143310001979 is an equidigital number, since it uses as much as digits as its factorization.

143310001979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 143310001979 in words is "one hundred forty-three billion, three hundred ten million, one thousand, nine hundred seventy-nine".