133410431 has 16 divisors (see below), whose sum is σ = 166606080. Its totient is φ = 103783680.

The previous prime is 133410421. The next prime is 133410439. The reversal of 133410431 is 134014331.

133410431 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 133410431 - 2⁶ = 133410367 is a prime.

It is a super-2 number, since 2×133410431² = 35596686199211522, 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 (133410439) 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, 65135 + ... + 67151.

It is an arithmetic number, because the mean of its divisors is an integer number (10412880).

Almost surely, 2^133410431 is an apocalyptic number.

133410431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133410431 is a deficient number, since it is larger than the sum of its proper divisors (33195649).

133410431 is a wasteful number, since it uses less digits than its factorization.

133410431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 133410431 is about 11550.3433282306. The cubic root of 133410431 is about 510.9714037380.

Adding to 133410431 its reverse (134014331), we get a palindrome (267424762).

The spelling of 133410431 in words is "one hundred thirty-three million, four hundred ten thousand, four hundred thirty-one".