133300831 has 2 divisors, whose sum is σ = 133300832. Its totient is φ = 133300830.

The previous prime is 133300813. The next prime is 133300873. The reversal of 133300831 is 138003331.

Together with previous prime (133300813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133300831 - 2¹³ = 133292639 is a prime.

It is a super-2 number, since 2×133300831² = 35538223090581122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133300331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66650415 + 66650416.

It is an arithmetic number, because the mean of its divisors is an integer number (66650416).

Almost surely, 2^133300831 is an apocalyptic number.

133300831 is a deficient number, since it is larger than the sum of its proper divisors (1).

133300831 is an equidigital number, since it uses as much as digits as its factorization.

133300831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 133300831 is about 11545.5979056955. The cubic root of 133300831 is about 510.8314401479.

The spelling of 133300831 in words is "one hundred thirty-three million, three hundred thousand, eight hundred thirty-one".