143315935109 has 2 divisors, whose sum is σ = 143315935110. Its totient is φ = 143315935108.

The previous prime is 143315935097. The next prime is 143315935151. The reversal of 143315935109 is 901539513341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92463430084 + 50852505025 = 304078^2 + 225505^2 .

It is a cyclic number.

It is not a de Polignac number, because 143315935109 - 2⁴ = 143315935093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143315935109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143315965109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71657967554 + 71657967555.

It is an arithmetic number, because the mean of its divisors is an integer number (71657967555).

Almost surely, 2^143315935109 is an apocalyptic number.

It is an amenable number.

143315935109 is a deficient number, since it is larger than the sum of its proper divisors (1).

143315935109 is an equidigital number, since it uses as much as digits as its factorization.

143315935109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 44.

The spelling of 143315935109 in words is "one hundred forty-three billion, three hundred fifteen million, nine hundred thirty-five thousand, one hundred nine".