105451020313 has 4 divisors (see below), whose sum is σ = 105478406928. Its totient is φ = 105423633700.

The previous prime is 105451020293. The next prime is 105451020317. The reversal of 105451020313 is 313020154501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105451020313 - 2³³ = 96861085721 is a prime.

It is a super-2 number, since 2×105451020313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105451020317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13687531 + ... + 13695232.

It is an arithmetic number, because the mean of its divisors is an integer number (26369601732).

Almost surely, 2^105451020313 is an apocalyptic number.

It is an amenable number.

105451020313 is a deficient number, since it is larger than the sum of its proper divisors (27386615).

105451020313 is an equidigital number, since it uses as much as digits as its factorization.

105451020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27386614.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 105451020313 its reverse (313020154501), we get a palindrome (418471174814).

The spelling of 105451020313 in words is "one hundred five billion, four hundred fifty-one million, twenty thousand, three hundred thirteen".