106720310 has 16 divisors (see below), whose sum is σ = 194529600. Its totient is φ = 42147456.

The previous prime is 106720303. The next prime is 106720331. The reversal of 106720310 is 13027601.

It is a happy number.

It is a super-2 number, since 2×106720310² = 22778449132992200, 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, 66755 + ... + 68334.

It is an arithmetic number, because the mean of its divisors is an integer number (12158100).

Almost surely, 2^106720310 is an apocalyptic number.

106720310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106720310 is a deficient number, since it is larger than the sum of its proper divisors (87809290).

106720310 is a wasteful number, since it uses less digits than its factorization.

106720310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135175.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 106720310 is about 10330.5522601650. The cubic root of 106720310 is about 474.3319287806.

Adding to 106720310 its reverse (13027601), we get a palindrome (119747911).

The spelling of 106720310 in words is "one hundred six million, seven hundred twenty thousand, three hundred ten".