311313302453 has 2 divisors, whose sum is σ = 311313302454. Its totient is φ = 311313302452.

The previous prime is 311313302437. The next prime is 311313302473. The reversal of 311313302453 is 354203313113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213054250084 + 98259052369 = 461578^2 + 313463^2 .

It is a cyclic number.

It is not a de Polignac number, because 311313302453 - 2⁴ = 311313302437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311313302423) 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, 155656651226 + 155656651227.

It is an arithmetic number, because the mean of its divisors is an integer number (155656651227).

Almost surely, 2^311313302453 is an apocalyptic number.

It is an amenable number.

311313302453 is a deficient number, since it is larger than the sum of its proper divisors (1).

311313302453 is an equidigital number, since it uses as much as digits as its factorization.

311313302453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 311313302453 its reverse (354203313113), we get a palindrome (665516615566).

The spelling of 311313302453 in words is "three hundred eleven billion, three hundred thirteen million, three hundred two thousand, four hundred fifty-three".