105131030400005 has 8 divisors (see below), whose sum is σ = 127273672201752. Its totient is φ = 83360533838848.

The previous prime is 105131030399987. The next prime is 105131030400043. The reversal of 105131030400005 is 500004030131501.

It can be written as a sum of positive squares in 4 ways, for example, as 13306379179681 + 91824651220324 = 3647791^2 + 9582518^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105131030400005 - 2⁸ = 105131030399749 is a prime.

It is a super-2 number, since 2×105131030400005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93036309524 + ... + 93036310653.

It is an arithmetic number, because the mean of its divisors is an integer number (15909209025219).

Almost surely, 2^{105131030400005} is an apocalyptic number.

It is an amenable number.

105131030400005 is a deficient number, since it is larger than the sum of its proper divisors (22142641801747).

105131030400005 is a wasteful number, since it uses less digits than its factorization.

105131030400005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186072620295.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 105131030400005 its reverse (500004030131501), we get a palindrome (605135060531506).

The spelling of 105131030400005 in words is "one hundred five trillion, one hundred thirty-one billion, thirty million, four hundred thousand, five".