3121302320011 has 2 divisors, whose sum is σ = 3121302320012. Its totient is φ = 3121302320010.

The previous prime is 3121302319979. The next prime is 3121302320051. The reversal of 3121302320011 is 1100232031213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3121302320011 - 2⁵ = 3121302319979 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121302320051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560651160005 + 1560651160006.

It is an arithmetic number, because the mean of its divisors is an integer number (1560651160006).

Almost surely, 2^{3121302320011} is an apocalyptic number.

3121302320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121302320011 is an equidigital number, since it uses as much as digits as its factorization.

3121302320011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3121302320011 its reverse (1100232031213), we get a palindrome (4221534351224).

The spelling of 3121302320011 in words is "three trillion, one hundred twenty-one billion, three hundred two million, three hundred twenty thousand, eleven".