133031334613 has 2 divisors, whose sum is σ = 133031334614. Its totient is φ = 133031334612.

The previous prime is 133031334559. The next prime is 133031334637. The reversal of 133031334613 is 316433130331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117516639249 + 15514695364 = 342807^2 + 124558^2 .

It is a cyclic number.

It is not a de Polignac number, because 133031334613 - 2²⁹ = 132494463701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133031334673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66515667306 + 66515667307.

It is an arithmetic number, because the mean of its divisors is an integer number (66515667307).

Almost surely, 2^133031334613 is an apocalyptic number.

It is an amenable number.

133031334613 is a deficient number, since it is larger than the sum of its proper divisors (1).

133031334613 is an equidigital number, since it uses as much as digits as its factorization.

133031334613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 133031334613 its reverse (316433130331), we get a palindrome (449464464944).

The spelling of 133031334613 in words is "one hundred thirty-three billion, thirty-one million, three hundred thirty-four thousand, six hundred thirteen".