3211330311313 has 4 divisors (see below), whose sum is σ = 3216535061220. Its totient is φ = 3206125561408.

The previous prime is 3211330311307. The next prime is 3211330311421. The reversal of 3211330311313 is 3131130331123.

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 117150806529 + 3094179504784 = 342273^2 + 1759028^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211330311313 - 2²¹ = 3211328214161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3211330341313) 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, 2602374028 + ... + 2602375261.

It is an arithmetic number, because the mean of its divisors is an integer number (804133765305).

Almost surely, 2^{3211330311313} is an apocalyptic number.

It is an amenable number.

3211330311313 is a deficient number, since it is larger than the sum of its proper divisors (5204749907).

3211330311313 is an equidigital number, since it uses as much as digits as its factorization.

3211330311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204749906.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 3211330311313 its reverse (3131130331123), we get a palindrome (6342460642436).

The spelling of 3211330311313 in words is "three trillion, two hundred eleven billion, three hundred thirty million, three hundred eleven thousand, three hundred thirteen".