33313316 has 12 divisors (see below), whose sum is σ = 58465932. Its totient is φ = 16608768.

The previous prime is 33313307. The next prime is 33313333. The reversal of 33313316 is 61331333.

It can be written as a sum of positive squares in 2 ways, for example, as 7344100 + 25969216 = 2710^2 + 5096^2 .

It is a super-2 number, since 2×33313316² = 2219554045831712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33313291 and 33313300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10385 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (4872161).

Almost surely, 2^33313316 is an apocalyptic number.

It is an amenable number.

33313316 is a deficient number, since it is larger than the sum of its proper divisors (25152616).

33313316 is a wasteful number, since it uses less digits than its factorization.

33313316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23950 (or 23948 counting only the distinct ones).

The product of its digits is 1458, while the sum is 23.

The square root of 33313316 is about 5771.7688796417. The cubic root of 33313316 is about 321.7653602259.

Adding to 33313316 its reverse (61331333), we get a palindrome (94644649).

The spelling of 33313316 in words is "thirty-three million, three hundred thirteen thousand, three hundred sixteen".