313200133 has 4 divisors (see below), whose sum is σ = 313342380. Its totient is φ = 313057888.

The previous prime is 313200127. The next prime is 313200157. The reversal of 313200133 is 331002313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207994084 + 105206049 = 14422^2 + 10257^2 .

It is a cyclic number.

It is not a de Polignac number, because 313200133 - 2⁵ = 313200101 is a prime.

It is a super-2 number, since 2×313200133² = 196188646622435378, 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 (313200103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67768 + ... + 72241.

It is an arithmetic number, because the mean of its divisors is an integer number (78335595).

Almost surely, 2^313200133 is an apocalyptic number.

It is an amenable number.

313200133 is a deficient number, since it is larger than the sum of its proper divisors (142247).

313200133 is a wasteful number, since it uses less digits than its factorization.

313200133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142246.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 313200133 is about 17697.4612021047. The cubic root of 313200133 is about 679.1108137056.

Adding to 313200133 its reverse (331002313), we get a palindrome (644202446).

The spelling of 313200133 in words is "three hundred thirteen million, two hundred thousand, one hundred thirty-three".