105311312324453 has 4 divisors (see below), whose sum is σ = 111506095402380. Its totient is φ = 99116529246528.

The previous prime is 105311312324401. The next prime is 105311312324459. The reversal of 105311312324453 is 354423213113501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79237645811809 + 26073666512644 = 8901553^2 + 5106238^2 .

It is a cyclic number.

It is not a de Polignac number, because 105311312324453 - 2³⁴ = 105294132455269 is a prime.

It is a super-2 number, since 2×105311312324453² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105311312324459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3097391538938 + ... + 3097391538971.

It is an arithmetic number, because the mean of its divisors is an integer number (27876523850595).

Almost surely, 2^{105311312324453} is an apocalyptic number.

It is an amenable number.

105311312324453 is a deficient number, since it is larger than the sum of its proper divisors (6194783077927).

105311312324453 is an equidigital number, since it uses as much as digits as its factorization.

105311312324453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194783077926.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 105311312324453 its reverse (354423213113501), we get a palindrome (459734525437954).

The spelling of 105311312324453 in words is "one hundred five trillion, three hundred eleven billion, three hundred twelve million, three hundred twenty-four thousand, four hundred fifty-three".