133281319343 has 2 divisors, whose sum is σ = 133281319344. Its totient is φ = 133281319342.

The previous prime is 133281319309. The next prime is 133281319361. The reversal of 133281319343 is 343913182331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133281319343 - 2³⁴ = 116101450159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133281319343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133281318343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66640659671 + 66640659672.

It is an arithmetic number, because the mean of its divisors is an integer number (66640659672).

Almost surely, 2^133281319343 is an apocalyptic number.

133281319343 is a deficient number, since it is larger than the sum of its proper divisors (1).

133281319343 is an equidigital number, since it uses as much as digits as its factorization.

133281319343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The spelling of 133281319343 in words is "one hundred thirty-three billion, two hundred eighty-one million, three hundred nineteen thousand, three hundred forty-three".