106731831 has 16 divisors (see below), whose sum is σ = 151563744. Its totient is φ = 66576384.

The previous prime is 106731827. The next prime is 106731847. The reversal of 106731831 is 138137601.

It is not a de Polignac number, because 106731831 - 2² = 106731827 is a prime.

It is a super-2 number, since 2×106731831² = 22783367497225122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106731931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775 + ... + 14871.

It is an arithmetic number, because the mean of its divisors is an integer number (9472734).

Almost surely, 2^106731831 is an apocalyptic number.

106731831 is a deficient number, since it is larger than the sum of its proper divisors (44831913).

106731831 is a wasteful number, since it uses less digits than its factorization.

106731831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12290.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 106731831 is about 10331.1098629334. The cubic root of 106731831 is about 474.3489970141.

The spelling of 106731831 in words is "one hundred six million, seven hundred thirty-one thousand, eight hundred thirty-one".