133065031 has 6 divisors (see below), whose sum is σ = 146261696. Its totient is φ = 120968100.

The previous prime is 133065013. The next prime is 133065041. The reversal of 133065031 is 130560331.

It is not a de Polignac number, because 133065031 - 2¹¹ = 133062983 is a prime.

It is a super-2 number, since 2×133065031² = 35412604950061922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133064993 and 133065011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133065041) 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 in 5 ways as a sum of consecutive naturals, for example, 549735 + ... + 549976.

Almost surely, 2^133065031 is an apocalyptic number.

133065031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133065031 is a deficient number, since it is larger than the sum of its proper divisors (13196665).

133065031 is a wasteful number, since it uses less digits than its factorization.

133065031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099733 (or 1099722 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 133065031 is about 11535.3817015303. The cubic root of 133065031 is about 510.5300538085.

The spelling of 133065031 in words is "one hundred thirty-three million, sixty-five thousand, thirty-one".