2211213310331 has 8 divisors (see below), whose sum is σ = 2290040946720. Its totient is φ = 2132557600768.

The previous prime is 2211213310303. The next prime is 2211213310367. The reversal of 2211213310331 is 1330133121122.

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

It is not a de Polignac number, because 2211213310331 - 2³⁴ = 2194033441147 is a prime.

It is a super-2 number, since 2×2211213310331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211213310297 and 2211213310306.

It is not an unprimeable number, because it can be changed into a prime (2211213310231) 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, 42955526 + ... + 43006971.

It is an arithmetic number, because the mean of its divisors is an integer number (286255118340).

Almost surely, 2^{2211213310331} is an apocalyptic number.

2211213310331 is a deficient number, since it is larger than the sum of its proper divisors (78827636389).

2211213310331 is an equidigital number, since it uses as much as digits as its factorization.

2211213310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85963413.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 2211213310331 its reverse (1330133121122), we get a palindrome (3541346431453).

The spelling of 2211213310331 in words is "two trillion, two hundred eleven billion, two hundred thirteen million, three hundred ten thousand, three hundred thirty-one".