3231312473 has 2 divisors, whose sum is σ = 3231312474. Its totient is φ = 3231312472.

The previous prime is 3231312419. The next prime is 3231312479. The reversal of 3231312473 is 3742131323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2270808409 + 960504064 = 47653^2 + 30992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3231312473 is a prime.

It is not a weakly prime, because it can be changed into another prime (3231312479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615656236 + 1615656237.

It is an arithmetic number, because the mean of its divisors is an integer number (1615656237).

Almost surely, 2^3231312473 is an apocalyptic number.

It is an amenable number.

3231312473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231312473 is an equidigital number, since it uses as much as digits as its factorization.

3231312473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 29.

The square root of 3231312473 is about 56844.6345137340. The cubic root of 3231312473 is about 1478.4035123749.

Adding to 3231312473 its reverse (3742131323), we get a palindrome (6973443796).

The spelling of 3231312473 in words is "three billion, two hundred thirty-one million, three hundred twelve thousand, four hundred seventy-three".