3121130211311 has 32 divisors (see below), whose sum is σ = 3830613120000. Its totient is φ = 2482041945600.

The previous prime is 3121130211281. The next prime is 3121130211313. The reversal of 3121130211311 is 1131120311213.

It is not a de Polignac number, because 3121130211311 - 2⁶ = 3121130211247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121130211313) 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, 63334421 + ... + 63383681.

It is an arithmetic number, because the mean of its divisors is an integer number (119706660000).

Almost surely, 2^{3121130211311} is an apocalyptic number.

3121130211311 is a deficient number, since it is larger than the sum of its proper divisors (709482908689).

3121130211311 is a wasteful number, since it uses less digits than its factorization.

3121130211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56855.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 3121130211311 its reverse (1131120311213), we get a palindrome (4252250522524).

The spelling of 3121130211311 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, two hundred eleven thousand, three hundred eleven".