3209206630313 has 4 divisors (see below), whose sum is σ = 3319868927940. Its totient is φ = 3098544332688.

The previous prime is 3209206630309. The next prime is 3209206630363. The reversal of 3209206630313 is 3130366029023.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1799791282969 + 1409415347344 = 1341563^2 + 1187188^2 .

It is a cyclic number.

It is not a de Polignac number, because 3209206630313 - 2² = 3209206630309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3209206630363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55331148770 + ... + 55331148827.

It is an arithmetic number, because the mean of its divisors is an integer number (829967231985).

Almost surely, 2^{3209206630313} is an apocalyptic number.

It is an amenable number.

3209206630313 is a deficient number, since it is larger than the sum of its proper divisors (110662297627).

3209206630313 is a wasteful number, since it uses less digits than its factorization.

3209206630313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110662297626.

The product of its (nonzero) digits is 104976, while the sum is 38.

The spelling of 3209206630313 in words is "three trillion, two hundred nine billion, two hundred six million, six hundred thirty thousand, three hundred thirteen".