133342313 has 8 divisors (see below), whose sum is σ = 144482688. Its totient is φ = 122328144.

The previous prime is 133342309. The next prime is 133342327. The reversal of 133342313 is 313243331.

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 133342313 - 2² = 133342309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133342393) 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, 29345 + ... + 33582.

It is an arithmetic number, because the mean of its divisors is an integer number (18060336).

Almost surely, 2^133342313 is an apocalyptic number.

133342313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133342313 is a deficient number, since it is larger than the sum of its proper divisors (11140375).

133342313 is a wasteful number, since it uses less digits than its factorization.

133342313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63103.

The product of its digits is 1944, while the sum is 23.

The square root of 133342313 is about 11547.3942082186. The cubic root of 133342313 is about 510.8844233437.

Adding to 133342313 its reverse (313243331), we get a palindrome (446585644).

The spelling of 133342313 in words is "one hundred thirty-three million, three hundred forty-two thousand, three hundred thirteen".