133431301 has 8 divisors (see below), whose sum is σ = 134611200. Its totient is φ = 132255600.

The previous prime is 133431299. The next prime is 133431307. The reversal of 133431301 is 103134331.

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 133431301 - 2¹ = 133431299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133431307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107955 + ... + 109183.

It is an arithmetic number, because the mean of its divisors is an integer number (16826400).

Almost surely, 2^133431301 is an apocalyptic number.

It is an amenable number.

133431301 is a deficient number, since it is larger than the sum of its proper divisors (1179899).

133431301 is a wasteful number, since it uses less digits than its factorization.

133431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133431301 is about 11551.2467292496. The cubic root of 133431301 is about 510.9980468750.

Adding to 133431301 its reverse (103134331), we get a palindrome (236565632).

The spelling of 133431301 in words is "one hundred thirty-three million, four hundred thirty-one thousand, three hundred one".