106431011 has 4 divisors (see below), whose sum is σ = 106457400. Its totient is φ = 106404624.

The previous prime is 106431001. The next prime is 106431071. The reversal of 106431011 is 110134601.

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

It is a cyclic number.

It is not a de Polignac number, because 106431011 - 2²⁶ = 39322147 is a prime.

It is a super-2 number, since 2×106431011² = 22655120204964242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106431001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5741 + ... + 15678.

It is an arithmetic number, because the mean of its divisors is an integer number (26614350).

Almost surely, 2^106431011 is an apocalyptic number.

106431011 is a deficient number, since it is larger than the sum of its proper divisors (26389).

106431011 is an equidigital number, since it uses as much as digits as its factorization.

106431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26388.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 106431011 is about 10316.5406508190. The cubic root of 106431011 is about 473.9029322263.

Adding to 106431011 its reverse (110134601), we get a palindrome (216565612).

The spelling of 106431011 in words is "one hundred six million, four hundred thirty-one thousand, eleven".