3231313 has 2 divisors, whose sum is σ = 3231314. Its totient is φ = 3231312.

The previous prime is 3231301. The next prime is 3231329. The reversal of 3231313 is 3131323.

It is an a-pointer prime, because the next prime (3231329) can be obtained adding 3231313 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2862864 + 368449 = 1692^2 + 607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3231313 is a prime.

It is not a weakly prime, because it can be changed into another prime (3231113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615656 + 1615657.

It is an arithmetic number, because the mean of its divisors is an integer number (1615657).

Almost surely, 2^3231313 is an apocalyptic number.

It is an amenable number.

3231313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231313 is an equidigital number, since it uses as much as digits as its factorization.

3231313 is an evil number, because the sum of its binary digits is even.

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

The square root of 3231313 is about 1797.5853248177. The cubic root of 3231313 is about 147.8403592747.

Adding to 3231313 its reverse (3131323), we get a palindrome (6362636).

The spelling of 3231313 in words is "three million, two hundred thirty-one thousand, three hundred thirteen".