313223033 has 4 divisors (see below), whose sum is σ = 313259940. Its totient is φ = 313186128.

The previous prime is 313222967. The next prime is 313223041. The reversal of 313223033 is 330322313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 251317609 + 61905424 = 15853^2 + 7868^2 .

It is a cyclic number.

It is not a de Polignac number, because 313223033 - 2²⁴ = 296445817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313222996 and 313223014.

It is not an unprimeable number, because it can be changed into a prime (313223063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 25067.

It is an arithmetic number, because the mean of its divisors is an integer number (78314985).

Almost surely, 2^313223033 is an apocalyptic number.

It is an amenable number.

313223033 is a deficient number, since it is larger than the sum of its proper divisors (36907).

313223033 is a wasteful number, since it uses less digits than its factorization.

313223033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36906.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 313223033 is about 17698.1081757345. The cubic root of 313223033 is about 679.1273646337.

Adding to 313223033 its reverse (330322313), we get a palindrome (643545346).

The spelling of 313223033 in words is "three hundred thirteen million, two hundred twenty-three thousand, thirty-three".