3211103123231 has 2 divisors, whose sum is σ = 3211103123232. Its totient is φ = 3211103123230.

The previous prime is 3211103123213. The next prime is 3211103123309. The reversal of 3211103123231 is 1323213011123.

Together with previous prime (3211103123213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1323213011123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3211103123231 - 2⁶ = 3211103123167 is a prime.

It is a super-2 number, since 2×3211103123231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3211103123197 and 3211103123206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211103323231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605551561615 + 1605551561616.

It is an arithmetic number, because the mean of its divisors is an integer number (1605551561616).

Almost surely, 2^{3211103123231} is an apocalyptic number.

3211103123231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211103123231 is an equidigital number, since it uses as much as digits as its factorization.

3211103123231 is an evil number, because the sum of its binary digits is even.

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

Adding to 3211103123231 its reverse (1323213011123), we get a palindrome (4534316134354).

The spelling of 3211103123231 in words is "three trillion, two hundred eleven billion, one hundred three million, one hundred twenty-three thousand, two hundred thirty-one".