3121322011213 has 8 divisors (see below), whose sum is σ = 3567249113600. Its totient is φ = 2675400898320.

The previous prime is 3121322011201. The next prime is 3121322011231. The reversal of 3121322011213 is 3121102231213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3121322011213 - 2⁹ = 3121322010701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121322011253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318813 + ... + 2518786.

It is an arithmetic number, because the mean of its divisors is an integer number (445906139200).

Almost surely, 2^{3121322011213} is an apocalyptic number.

It is an amenable number.

3121322011213 is a deficient number, since it is larger than the sum of its proper divisors (445927102387).

3121322011213 is a wasteful number, since it uses less digits than its factorization.

3121322011213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994747.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 3121322011213 its reverse (3121102231213), we get a palindrome (6242424242426).

The spelling of 3121322011213 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-two million, eleven thousand, two hundred thirteen".