3240031313 has 2 divisors, whose sum is σ = 3240031314. Its totient is φ = 3240031312.

The previous prime is 3240031307. The next prime is 3240031331. The reversal of 3240031313 is 3131300423.

Together with next prime (3240031331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1930459969 + 1309571344 = 43937^2 + 36188^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240031313 - 2²⁸ = 2971595857 is a prime.

It is not a weakly prime, because it can be changed into another prime (3240031813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620015656 + 1620015657.

It is an arithmetic number, because the mean of its divisors is an integer number (1620015657).

Almost surely, 2^3240031313 is an apocalyptic number.

It is an amenable number.

3240031313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240031313 is an equidigital number, since it uses as much as digits as its factorization.

3240031313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3240031313 is about 56921.2729390340. The cubic root of 3240031313 is about 1479.7320115273.

Adding to 3240031313 its reverse (3131300423), we get a palindrome (6371331736).

The spelling of 3240031313 in words is "three billion, two hundred forty million, thirty-one thousand, three hundred thirteen".