311041100031023 has 2 divisors, whose sum is σ = 311041100031024. Its totient is φ = 311041100031022.

The previous prime is 311041100031019. The next prime is 311041100031203. The reversal of 311041100031023 is 320130001140113.

Together with next prime (311041100031203) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311041100031023 - 2² = 311041100031019 is a prime.

It is a super-3 number, since 3×311041100031023³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311041100030986 and 311041100031004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311041100021023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155520550015511 + 155520550015512.

It is an arithmetic number, because the mean of its divisors is an integer number (155520550015512).

Almost surely, 2^{311041100031023} is an apocalyptic number.

311041100031023 is a deficient number, since it is larger than the sum of its proper divisors (1).

311041100031023 is an equidigital number, since it uses as much as digits as its factorization.

311041100031023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 311041100031023 its reverse (320130001140113), we get a palindrome (631171101171136).

The spelling of 311041100031023 in words is "three hundred eleven trillion, forty-one billion, one hundred million, thirty-one thousand, twenty-three".