331132122213213 has 16 divisors (see below), whose sum is σ = 470348622542016. Its totient is φ = 206494517203200.

The previous prime is 331132122213199. The next prime is 331132122213251. The reversal of 331132122213213 is 312312221231133.

It is a happy number.

It is not a de Polignac number, because 331132122213213 - 2⁵ = 331132122213181 is a prime.

It is a super-2 number, since 2×331132122213213² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132122213283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19916515338 + ... + 19916531963.

It is an arithmetic number, because the mean of its divisors is an integer number (29396788908876).

Almost surely, 2^{331132122213213} is an apocalyptic number.

It is an amenable number.

331132122213213 is a deficient number, since it is larger than the sum of its proper divisors (139216500328803).

331132122213213 is a wasteful number, since it uses less digits than its factorization.

331132122213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39833047484.

The product of its digits is 7776, while the sum is 30.

Adding to 331132122213213 its reverse (312312221231133), we get a palindrome (643444343444346).

The spelling of 331132122213213 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred thirteen".