3112211223 has 12 divisors (see below), whose sum is σ = 4904090568. Its totient is φ = 1886188560.

The previous prime is 3112211209. The next prime is 3112211269. The reversal of 3112211223 is 3221122113.

It is not a de Polignac number, because 3112211223 - 2⁶ = 3112211159 is a prime.

It is a super-3 number, since 3×3112211223³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3112211196 and 3112211205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112211293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15718140 + ... + 15718337.

It is an arithmetic number, because the mean of its divisors is an integer number (408674214).

Almost surely, 2^3112211223 is an apocalyptic number.

3112211223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3112211223 is a deficient number, since it is larger than the sum of its proper divisors (1791879345).

3112211223 is a wasteful number, since it uses less digits than its factorization.

3112211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31436494 (or 31436491 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3112211223 is about 55787.1958696617. The cubic root of 3112211223 is about 1460.0117630565.

Adding to 3112211223 its reverse (3221122113), we get a palindrome (6333333336).

The spelling of 3112211223 in words is "three billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-three".