3121223322231 has 24 divisors (see below), whose sum is σ = 5205614165024. Its totient is φ = 1765169003520.

The previous prime is 3121223322229. The next prime is 3121223322271. The reversal of 3121223322231 is 1322233221213.

3121223322231 is a `hidden beast` number, since 312 + 1 + 2 + 2 + 3 + 322 + 23 + 1 = 666.

It is not a de Polignac number, because 3121223322231 - 2¹ = 3121223322229 is a prime.

It is a super-2 number, since 2×3121223322231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3121223322195 and 3121223322204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121223322211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255371350 + ... + 255383571.

Almost surely, 2^{3121223322231} is an apocalyptic number.

3121223322231 is a deficient number, since it is larger than the sum of its proper divisors (2084390842793).

3121223322231 is a wasteful number, since it uses less digits than its factorization.

3121223322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510755031 (or 510755028 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 3121223322231 its reverse (1322233221213), we get a palindrome (4443456543444).

The spelling of 3121223322231 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred thirty-one".