311040232103 has 2 divisors, whose sum is σ = 311040232104. Its totient is φ = 311040232102.

The previous prime is 311040232093. The next prime is 311040232121. The reversal of 311040232103 is 301232040113.

It is a weak prime.

It is an emirp because it is prime and its reverse (301232040113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311040232103 - 2¹⁸ = 311039969959 is a prime.

It is a super-2 number, since 2×311040232103² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311040237103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155520116051 + 155520116052.

It is an arithmetic number, because the mean of its divisors is an integer number (155520116052).

Almost surely, 2^311040232103 is an apocalyptic number.

311040232103 is a deficient number, since it is larger than the sum of its proper divisors (1).

311040232103 is an equidigital number, since it uses as much as digits as its factorization.

311040232103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 311040232103 its reverse (301232040113), we get a palindrome (612272272216).

The spelling of 311040232103 in words is "three hundred eleven billion, forty million, two hundred thirty-two thousand, one hundred three".