105401731 has 2 divisors, whose sum is σ = 105401732. Its totient is φ = 105401730.

The previous prime is 105401719. The next prime is 105401749. The reversal of 105401731 is 137104501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105401731 - 2⁷ = 105401603 is a prime.

It is a super-2 number, since 2×105401731² = 22219049795592722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105401711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52700865 + 52700866.

It is an arithmetic number, because the mean of its divisors is an integer number (52700866).

Almost surely, 2^105401731 is an apocalyptic number.

105401731 is a deficient number, since it is larger than the sum of its proper divisors (1).

105401731 is an equidigital number, since it uses as much as digits as its factorization.

105401731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 105401731 is about 10266.5345175478. The cubic root of 105401731 is about 472.3702970701.

The spelling of 105401731 in words is "one hundred five million, four hundred one thousand, seven hundred thirty-one".