133030031 has 8 divisors (see below), whose sum is σ = 135168000. Its totient is φ = 130908960.

The previous prime is 133030019. The next prime is 133030033. The reversal of 133030031 is 130030331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133030031 - 2¹⁰ = 133029007 is a prime.

It is a super-2 number, since 2×133030031² = 35393978295721922, 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 = 133029988 and 133030015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133030033) 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 7 ways as a sum of consecutive naturals, for example, 12146 + ... + 20336.

It is an arithmetic number, because the mean of its divisors is an integer number (16896000).

Almost surely, 2^133030031 is an apocalyptic number.

133030031 is a deficient number, since it is larger than the sum of its proper divisors (2137969).

133030031 is a wasteful number, since it uses less digits than its factorization.

133030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449.

The product of its (nonzero) digits is 81, while the sum is 14.

The square root of 133030031 is about 11533.8645301564. The cubic root of 133030031 is about 510.4852884317.

Adding to 133030031 its reverse (130030331), we get a palindrome (263060362).

It can be divided in two parts, 1330300 and 31, that added together give a palindrome (1330331).

The spelling of 133030031 in words is "one hundred thirty-three million, thirty thousand, thirty-one".