332440313 has 2 divisors, whose sum is σ = 332440314. Its totient is φ = 332440312.

The previous prime is 332440309. The next prime is 332440319. The reversal of 332440313 is 313044233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292649449 + 39790864 = 17107^2 + 6308^2 .

It is a cyclic number.

It is not a de Polignac number, because 332440313 - 2² = 332440309 is a prime.

It is a super-2 number, since 2×332440313² = 221033123415075938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (332440319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166220156 + 166220157.

It is an arithmetic number, because the mean of its divisors is an integer number (166220157).

Almost surely, 2^332440313 is an apocalyptic number.

It is an amenable number.

332440313 is a deficient number, since it is larger than the sum of its proper divisors (1).

332440313 is an equidigital number, since it uses as much as digits as its factorization.

332440313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 332440313 is about 18232.9458124572. The cubic root of 332440313 is about 692.7415348644.

Adding to 332440313 its reverse (313044233), we get a palindrome (645484546).

The spelling of 332440313 in words is "three hundred thirty-two million, four hundred forty thousand, three hundred thirteen".