133131343097 has 2 divisors, whose sum is σ = 133131343098. Its totient is φ = 133131343096.

The previous prime is 133131343091. The next prime is 133131343151. The reversal of 133131343097 is 790343131331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126635627881 + 6495715216 = 355859^2 + 80596^2 .

It is a cyclic number.

It is not a de Polignac number, because 133131343097 - 2¹⁰ = 133131342073 is a prime.

It is a super-2 number, since 2×133131343097² (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 133131343097.

It is not a weakly prime, because it can be changed into another prime (133131343091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66565671548 + 66565671549.

It is an arithmetic number, because the mean of its divisors is an integer number (66565671549).

Almost surely, 2^133131343097 is an apocalyptic number.

It is an amenable number.

133131343097 is a deficient number, since it is larger than the sum of its proper divisors (1).

133131343097 is an equidigital number, since it uses as much as digits as its factorization.

133131343097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 38.

The spelling of 133131343097 in words is "one hundred thirty-three billion, one hundred thirty-one million, three hundred forty-three thousand, ninety-seven".