12213031310331 has 8 divisors (see below), whose sum is σ = 16301420664144. Its totient is φ = 8133331415040.

The previous prime is 12213031310317. The next prime is 12213031310353. The reversal of 12213031310331 is 13301313031221.

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

It is not a de Polignac number, because 12213031310331 - 2¹³ = 12213031302139 is a prime.

It is a super-2 number, since 2×12213031310331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12213031310231) 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, 2172361350 + ... + 2172366971.

It is an arithmetic number, because the mean of its divisors is an integer number (2037677583018).

Almost surely, 2^{12213031310331} is an apocalyptic number.

12213031310331 is a deficient number, since it is larger than the sum of its proper divisors (4088389353813).

12213031310331 is an equidigital number, since it uses as much as digits as its factorization.

12213031310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344729261.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12213031310331 its reverse (13301313031221), we get a palindrome (25514344341552).

The spelling of 12213031310331 in words is "twelve trillion, two hundred thirteen billion, thirty-one million, three hundred ten thousand, three hundred thirty-one".