332318813 has 8 divisors (see below), whose sum is σ = 334304568. Its totient is φ = 330338304.

The previous prime is 332318809. The next prime is 332318821. The reversal of 332318813 is 318813233.

It can be written as a sum of positive squares in 4 ways, for example, as 82773604 + 249545209 = 9098^2 + 15797^2 .

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 332318813 - 2² = 332318809 is a prime.

It is a super-2 number, since 2×332318813² = 220871586947457938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 332318813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332318213) 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, 268031 + ... + 269267.

It is an arithmetic number, because the mean of its divisors is an integer number (41788071).

Almost surely, 2^332318813 is an apocalyptic number.

It is an amenable number.

332318813 is a deficient number, since it is larger than the sum of its proper divisors (1985755).

332318813 is a wasteful number, since it uses less digits than its factorization.

332318813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623.

The product of its digits is 10368, while the sum is 32.

The square root of 332318813 is about 18229.6136272824. The cubic root of 332318813 is about 692.6571303872.

The spelling of 332318813 in words is "three hundred thirty-two million, three hundred eighteen thousand, eight hundred thirteen".