133332031 has 8 divisors (see below), whose sum is σ = 154877984. Its totient is φ = 112410720.

The previous prime is 133332007. The next prime is 133332049. The reversal of 133332031 is 130233331.

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 133332031 - 2¹⁵ = 133299263 is a prime.

It is a super-2 number, since 2×133332031² = 35554860981169922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133332061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155700 + ... + 156553.

It is an arithmetic number, because the mean of its divisors is an integer number (19359748).

Almost surely, 2^133332031 is an apocalyptic number.

133332031 is a deficient number, since it is larger than the sum of its proper divisors (21545953).

133332031 is an equidigital number, since it uses as much as digits as its factorization.

133332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312321.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 133332031 is about 11546.9489909673. The cubic root of 133332031 is about 510.8712916064.

Adding to 133332031 its reverse (130233331), we get a palindrome (263565362).

The spelling of 133332031 in words is "one hundred thirty-three million, three hundred thirty-two thousand, thirty-one".