3331221312113 has 4 divisors (see below), whose sum is σ = 3362354221680. Its totient is φ = 3300088402548.

The previous prime is 3331221312091. The next prime is 3331221312131. The reversal of 3331221312113 is 3112131221333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3331221312113 is a prime.

It is a super-2 number, since 2×3331221312113² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3331221312193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15566454623 + ... + 15566454836.

It is an arithmetic number, because the mean of its divisors is an integer number (840588555420).

Almost surely, 2^{3331221312113} is an apocalyptic number.

It is an amenable number.

3331221312113 is a deficient number, since it is larger than the sum of its proper divisors (31132909567).

3331221312113 is a wasteful number, since it uses less digits than its factorization.

3331221312113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31132909566.

The product of its digits is 1944, while the sum is 26.

Adding to 3331221312113 its reverse (3112131221333), we get a palindrome (6443352533446).

The spelling of 3331221312113 in words is "three trillion, three hundred thirty-one billion, two hundred twenty-one million, three hundred twelve thousand, one hundred thirteen".