106040731 has 2 divisors, whose sum is σ = 106040732. Its totient is φ = 106040730.

The previous prime is 106040707. The next prime is 106040761. The reversal of 106040731 is 137040601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106040731 is a prime.

It is a super-2 number, since 2×106040731² = 22489273262028722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106040761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53020365 + 53020366.

It is an arithmetic number, because the mean of its divisors is an integer number (53020366).

Almost surely, 2^106040731 is an apocalyptic number.

106040731 is a deficient number, since it is larger than the sum of its proper divisors (1).

106040731 is an equidigital number, since it uses as much as digits as its factorization.

106040731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 106040731 is about 10297.6080232256. The cubic root of 106040731 is about 473.3229591171.

The spelling of 106040731 in words is "one hundred six million, forty thousand, seven hundred thirty-one".