3211320012231 has 64 divisors (see below), whose sum is σ = 4773104340480. Its totient is φ = 1912819484160.

The previous prime is 3211320012167. The next prime is 3211320012287. The reversal of 3211320012231 is 1322100231123.

It is not a de Polignac number, because 3211320012231 - 2⁶ = 3211320012167 is a prime.

It is a super-2 number, since 2×3211320012231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3211320012198 and 3211320012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211320012431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9104421 + ... + 9450561.

It is an arithmetic number, because the mean of its divisors is an integer number (74579755320).

Almost surely, 2^{3211320012231} is an apocalyptic number.

3211320012231 is a deficient number, since it is larger than the sum of its proper divisors (1561784328249).

3211320012231 is a wasteful number, since it uses less digits than its factorization.

3211320012231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346336.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 3211320012231 its reverse (1322100231123), we get a palindrome (4533420243354).

The spelling of 3211320012231 in words is "three trillion, two hundred eleven billion, three hundred twenty million, twelve thousand, two hundred thirty-one".