133301031 has 16 divisors (see below), whose sum is σ = 185821440. Its totient is φ = 84839040.

The previous prime is 133301011. The next prime is 133301053. The reversal of 133301031 is 130103331.

It is not a de Polignac number, because 133301031 - 2⁶ = 133300967 is a prime.

It is a super-2 number, since 2×133301031² = 35538329731325922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133301031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133301011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41151 + ... + 44271.

It is an arithmetic number, because the mean of its divisors is an integer number (11613840).

Almost surely, 2^133301031 is an apocalyptic number.

133301031 is a deficient number, since it is larger than the sum of its proper divisors (52520409).

133301031 is a wasteful number, since it uses less digits than its factorization.

133301031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133301031 is about 11545.6065670020. The cubic root of 133301031 is about 510.8316956257.

Adding to 133301031 its reverse (130103331), we get a palindrome (263404362).

The spelling of 133301031 in words is "one hundred thirty-three million, three hundred one thousand, thirty-one".