311110011193 has 2 divisors, whose sum is σ = 311110011194. Its totient is φ = 311110011192.

The previous prime is 311110011187. The next prime is 311110011211. The reversal of 311110011193 is 391110011113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165183719184 + 145926292009 = 406428^2 + 382003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311110011193 is a prime.

It is not a weakly prime, because it can be changed into another prime (311110011593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155555005596 + 155555005597.

It is an arithmetic number, because the mean of its divisors is an integer number (155555005597).

Almost surely, 2^311110011193 is an apocalyptic number.

It is an amenable number.

311110011193 is a deficient number, since it is larger than the sum of its proper divisors (1).

311110011193 is an equidigital number, since it uses as much as digits as its factorization.

311110011193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 22.

The spelling of 311110011193 in words is "three hundred eleven billion, one hundred ten million, eleven thousand, one hundred ninety-three".