106931969 has 2 divisors, whose sum is σ = 106931970. Its totient is φ = 106931968.

The previous prime is 106931947. The next prime is 106931999. The reversal of 106931969 is 969139601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106853569 + 78400 = 10337^2 + 280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106931969 is a prime.

It is a super-2 number, since 2×106931969² = 22868891988433922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106931939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53465984 + 53465985.

It is an arithmetic number, because the mean of its divisors is an integer number (53465985).

Almost surely, 2^106931969 is an apocalyptic number.

It is an amenable number.

106931969 is a deficient number, since it is larger than the sum of its proper divisors (1).

106931969 is an equidigital number, since it uses as much as digits as its factorization.

106931969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 106931969 is about 10340.7915074234. The cubic root of 106931969 is about 474.6453034399.

Adding to 106931969 its product of nonzero digits (78732), we get a palindrome (107010701).

The spelling of 106931969 in words is "one hundred six million, nine hundred thirty-one thousand, nine hundred sixty-nine".