133831063 has 2 divisors, whose sum is σ = 133831064. Its totient is φ = 133831062.

The previous prime is 133831037. The next prime is 133831073. The reversal of 133831063 is 360138331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133831063 - 2⁵ = 133831031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133831073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66915531 + 66915532.

It is an arithmetic number, because the mean of its divisors is an integer number (66915532).

Almost surely, 2^133831063 is an apocalyptic number.

133831063 is a deficient number, since it is larger than the sum of its proper divisors (1).

133831063 is an equidigital number, since it uses as much as digits as its factorization.

133831063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 133831063 is about 11568.5376344636. The cubic root of 133831063 is about 511.5078571230.

Adding to 133831063 its reverse (360138331), we get a palindrome (493969394).

The spelling of 133831063 in words is "one hundred thirty-three million, eight hundred thirty-one thousand, sixty-three".