3261630343 has 2 divisors, whose sum is σ = 3261630344. Its totient is φ = 3261630342.

The previous prime is 3261630331. The next prime is 3261630431. The reversal of 3261630343 is 3430361623.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3261630343 - 2⁹ = 3261629831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261630313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630815171 + 1630815172.

It is an arithmetic number, because the mean of its divisors is an integer number (1630815172).

Almost surely, 2^3261630343 is an apocalyptic number.

3261630343 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261630343 is an equidigital number, since it uses as much as digits as its factorization.

3261630343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 3261630343 is about 57110.6850160283. The cubic root of 3261630343 is about 1483.0128458585.

Adding to 3261630343 its reverse (3430361623), we get a palindrome (6691991966).

The spelling of 3261630343 in words is "three billion, two hundred sixty-one million, six hundred thirty thousand, three hundred forty-three".