3261630313 has 2 divisors, whose sum is σ = 3261630314. Its totient is φ = 3261630312.

The previous prime is 3261630287. The next prime is 3261630331. The reversal of 3261630313 is 3130361623.

Together with next prime (3261630331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3032925184 + 228705129 = 55072^2 + 15123^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261630313 - 2²⁵ = 3228075881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3261630343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630815156 + 1630815157.

It is an arithmetic number, because the mean of its divisors is an integer number (1630815157).

Almost surely, 2^3261630313 is an apocalyptic number.

It is an amenable number.

3261630313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261630313 is an equidigital number, since it uses as much as digits as its factorization.

3261630313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 3261630313 is about 57110.6847533804. The cubic root of 3261630313 is about 1483.0128413116.

Adding to 3261630313 its reverse (3130361623), we get a palindrome (6391991936).

The spelling of 3261630313 in words is "three billion, two hundred sixty-one million, six hundred thirty thousand, three hundred thirteen".