105131030400043 has 2 divisors, whose sum is σ = 105131030400044. Its totient is φ = 105131030400042.

The previous prime is 105131030399987. The next prime is 105131030400103. The reversal of 105131030400043 is 340004030131501.

It is a weak prime.

It is an emirp because it is prime and its reverse (340004030131501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105131030400043 - 2¹³ = 105131030391851 is a prime.

It is a super-2 number, since 2×105131030400043² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105131030399990 and 105131030400017.

It is not a weakly prime, because it can be changed into another prime (105131030400743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52565515200021 + 52565515200022.

It is an arithmetic number, because the mean of its divisors is an integer number (52565515200022).

Almost surely, 2^{105131030400043} is an apocalyptic number.

105131030400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

105131030400043 is an equidigital number, since it uses as much as digits as its factorization.

105131030400043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 105131030400043 its reverse (340004030131501), we get a palindrome (445135060531544).

The spelling of 105131030400043 in words is "one hundred five trillion, one hundred thirty-one billion, thirty million, four hundred thousand, forty-three".