3132313321 has 2 divisors, whose sum is σ = 3132313322. Its totient is φ = 3132313320.

The previous prime is 3132313309. The next prime is 3132313369. The reversal of 3132313321 is 1233132313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2195953321 + 936360000 = 46861^2 + 30600^2 .

It is a cyclic number.

It is not a de Polignac number, because 3132313321 - 2⁷ = 3132313193 is a prime.

It is a super-2 number, since 2×3132313321² = 19622773481828098082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3132313292 and 3132313301.

It is not a weakly prime, because it can be changed into another prime (3132311321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1566156660 + 1566156661.

It is an arithmetic number, because the mean of its divisors is an integer number (1566156661).

Almost surely, 2^3132313321 is an apocalyptic number.

It is an amenable number.

3132313321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3132313321 is an equidigital number, since it uses as much as digits as its factorization.

3132313321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 22.

The square root of 3132313321 is about 55967.0735432897. The cubic root of 3132313321 is about 1463.1484755263.

Adding to 3132313321 its reverse (1233132313), we get a palindrome (4365445634).

It can be divided in two parts, 31323 and 13321, that added together give a palindrome (44644).

The spelling of 3132313321 in words is "three billion, one hundred thirty-two million, three hundred thirteen thousand, three hundred twenty-one".