311018102954653 has 2 divisors, whose sum is σ = 311018102954654. Its totient is φ = 311018102954652.

The previous prime is 311018102954633. The next prime is 311018102954693. The reversal of 311018102954653 is 356459201810113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304579389553209 + 6438713401444 = 17452203^2 + 2537462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311018102954653 is a prime.

It is a super-2 number, since 2×311018102954653² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311018102954597 and 311018102954606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311018102954633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155509051477326 + 155509051477327.

It is an arithmetic number, because the mean of its divisors is an integer number (155509051477327).

Almost surely, 2^{311018102954653} is an apocalyptic number.

It is an amenable number.

311018102954653 is a deficient number, since it is larger than the sum of its proper divisors (1).

311018102954653 is an equidigital number, since it uses as much as digits as its factorization.

311018102954653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 311018102954653 in words is "three hundred eleven trillion, eighteen billion, one hundred two million, nine hundred fifty-four thousand, six hundred fifty-three".