106731188 has 24 divisors (see below), whose sum is σ = 191184840. Its totient is φ = 52116480.

The previous prime is 106731173. The next prime is 106731197. The reversal of 106731188 is 881137601.

It can be written as a sum of positive squares in 4 ways, for example, as 60871204 + 45859984 = 7802^2 + 6772^2 .

It is a super-2 number, since 2×106731188² = 22783092983782688, which contains 22 as substring.

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, 50048 + ... + 52136.

It is an arithmetic number, because the mean of its divisors is an integer number (7966035).

Almost surely, 2^106731188 is an apocalyptic number.

It is an amenable number.

106731188 is a deficient number, since it is larger than the sum of its proper divisors (84453652).

106731188 is a wasteful number, since it uses less digits than its factorization.

106731188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 106731188 is about 10331.0787432872. The cubic root of 106731188 is about 474.3480444491.

Adding to 106731188 its reverse (881137601), we get a palindrome (987868789).

The spelling of 106731188 in words is "one hundred six million, seven hundred thirty-one thousand, one hundred eighty-eight".