105805252831 has 2 divisors, whose sum is σ = 105805252832. Its totient is φ = 105805252830.

The previous prime is 105805252807. The next prime is 105805252841. The reversal of 105805252831 is 138252508501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105805252831 - 2¹³ = 105805244639 is a prime.

It is a super-2 number, since 2×105805252831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105805252841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52902626415 + 52902626416.

It is an arithmetic number, because the mean of its divisors is an integer number (52902626416).

Almost surely, 2^105805252831 is an apocalyptic number.

105805252831 is a deficient number, since it is larger than the sum of its proper divisors (1).

105805252831 is an equidigital number, since it uses as much as digits as its factorization.

105805252831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 105805252831 in words is "one hundred five billion, eight hundred five million, two hundred fifty-two thousand, eight hundred thirty-one".