133536031 has 2 divisors, whose sum is σ = 133536032. Its totient is φ = 133536030.

The previous prime is 133536001. The next prime is 133536041. The reversal of 133536031 is 130635331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133536031 - 2⁷ = 133535903 is a prime.

It is a super-2 number, since 2×133536031² = 35663743150465922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133535987 and 133536005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133536001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66768015 + 66768016.

It is an arithmetic number, because the mean of its divisors is an integer number (66768016).

Almost surely, 2^133536031 is an apocalyptic number.

133536031 is a deficient number, since it is larger than the sum of its proper divisors (1).

133536031 is an equidigital number, since it uses as much as digits as its factorization.

133536031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 133536031 is about 11555.7791169613. The cubic root of 133536031 is about 511.1317057427.

The spelling of 133536031 in words is "one hundred thirty-three million, five hundred thirty-six thousand, thirty-one".