3201531313 has 2 divisors, whose sum is σ = 3201531314. Its totient is φ = 3201531312.

The previous prime is 3201531251. The next prime is 3201531329. The reversal of 3201531313 is 3131351023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2336465569 + 865065744 = 48337^2 + 29412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3201531313 is a prime.

It is not a weakly prime, because it can be changed into another prime (3201531353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600765656 + 1600765657.

It is an arithmetic number, because the mean of its divisors is an integer number (1600765657).

Almost surely, 2^3201531313 is an apocalyptic number.

It is an amenable number.

3201531313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201531313 is an equidigital number, since it uses as much as digits as its factorization.

3201531313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 3201531313 is about 56582.0758986448. The cubic root of 3201531313 is about 1473.8476205268.

Adding to 3201531313 its reverse (3131351023), we get a palindrome (6332882336).

The spelling of 3201531313 in words is "three billion, two hundred one million, five hundred thirty-one thousand, three hundred thirteen".