106731055 has 4 divisors (see below), whose sum is σ = 128077272. Its totient is φ = 85384840.

The previous prime is 106731041. The next prime is 106731073. The reversal of 106731055 is 550137601.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-106731055 is a prime.

It is a super-2 number, since 2×106731055² = 22783036202826050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10673101 + ... + 10673110.

It is an arithmetic number, because the mean of its divisors is an integer number (32019318).

Almost surely, 2^106731055 is an apocalyptic number.

106731055 is a deficient number, since it is larger than the sum of its proper divisors (21346217).

106731055 is an equidigital number, since it uses as much as digits as its factorization.

106731055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21346216.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 106731055 is about 10331.0723063969. The cubic root of 106731055 is about 474.3478474173.

Adding to 106731055 its reverse (550137601), we get a palindrome (656868656).

The spelling of 106731055 in words is "one hundred six million, seven hundred thirty-one thousand, fifty-five".