311242145055453 has 6 divisors (see below), whose sum is σ = 449571987302334. Its totient is φ = 207494763370296.

The previous prime is 311242145055421. The next prime is 311242145055553. The reversal of 311242145055453 is 354550541242113.

311242145055453 is a `hidden beast` number, since 3 + 1 + 1 + 2 + 4 + 2 + 1 + 45 + 0 + 554 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 299361349451844 + 11880795603609 = 17302062^2 + 3446853^2 .

It is not a de Polignac number, because 311242145055453 - 2⁵ = 311242145055421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311242145055399 and 311242145055408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311242145055353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17291230280850 + ... + 17291230280867.

It is an arithmetic number, because the mean of its divisors is an integer number (74928664550389).

Almost surely, 2^{311242145055453} is an apocalyptic number.

It is an amenable number.

311242145055453 is a deficient number, since it is larger than the sum of its proper divisors (138329842246881).

311242145055453 is a wasteful number, since it uses less digits than its factorization.

311242145055453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34582460561723 (or 34582460561720 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

Adding to 311242145055453 its reverse (354550541242113), we get a palindrome (665792686297566).

The spelling of 311242145055453 in words is "three hundred eleven trillion, two hundred forty-two billion, one hundred forty-five million, fifty-five thousand, four hundred fifty-three".