3121211311197 has 32 divisors (see below), whose sum is σ = 4785439647744. Its totient is φ = 1772562475200.

The previous prime is 3121211311187. The next prime is 3121211311199. The reversal of 3121211311197 is 7911131121213.

3121211311197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3121211311197 - 2⁸ = 3121211310941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121211311199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21006547 + ... + 21154607.

It is an arithmetic number, because the mean of its divisors is an integer number (149544988992).

Almost surely, 2^{3121211311197} is an apocalyptic number.

It is an amenable number.

3121211311197 is a deficient number, since it is larger than the sum of its proper divisors (1664228336547).

3121211311197 is a wasteful number, since it uses less digits than its factorization.

3121211311197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154249.

The product of its digits is 2268, while the sum is 33.

The spelling of 3121211311197 in words is "three trillion, one hundred twenty-one billion, two hundred eleven million, three hundred eleven thousand, one hundred ninety-seven".