3111020031101 has 2 divisors, whose sum is σ = 3111020031102. Its totient is φ = 3111020031100.

The previous prime is 3111020031043. The next prime is 3111020031181. The reversal of 3111020031101 is 1011300201113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2636560815001 + 474459216100 = 1623749^2 + 688810^2 .

It is an emirp because it is prime and its reverse (1011300201113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3111020031101 - 2⁶ = 3111020031037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3111020031181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555510015550 + 1555510015551.

It is an arithmetic number, because the mean of its divisors is an integer number (1555510015551).

Almost surely, 2^{3111020031101} is an apocalyptic number.

It is an amenable number.

3111020031101 is a deficient number, since it is larger than the sum of its proper divisors (1).

3111020031101 is an equidigital number, since it uses as much as digits as its factorization.

3111020031101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 3111020031101 its reverse (1011300201113), we get a palindrome (4122320232214).

The spelling of 3111020031101 in words is "three trillion, one hundred eleven billion, twenty million, thirty-one thousand, one hundred one".