331211223013 has 16 divisors (see below), whose sum is σ = 366933670272. Its totient is φ = 296436280000.

The previous prime is 331211222981. The next prime is 331211223017. The reversal of 331211223013 is 310322112133.

It is a cyclic number.

It is not a de Polignac number, because 331211223013 - 2⁵ = 331211222981 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 (331211223017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244995 + ... + 849967.

It is an arithmetic number, because the mean of its divisors is an integer number (22933354392).

Almost surely, 2^331211223013 is an apocalyptic number.

It is an amenable number.

331211223013 is a deficient number, since it is larger than the sum of its proper divisors (35722447259).

331211223013 is a wasteful number, since it uses less digits than its factorization.

331211223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605756.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331211223013 its reverse (310322112133), we get a palindrome (641533335146).

The spelling of 331211223013 in words is "three hundred thirty-one billion, two hundred eleven million, two hundred twenty-three thousand, thirteen".