106631377 has 2 divisors, whose sum is σ = 106631378. Its totient is φ = 106631376.

The previous prime is 106631341. The next prime is 106631387. The reversal of 106631377 is 773136601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66194496 + 40436881 = 8136^2 + 6359^2 .

It is an emirp because it is prime and its reverse (773136601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106631377 - 2¹¹ = 106629329 is a prime.

It is a super-2 number, since 2×106631377² = 22740501121832258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106631387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53315688 + 53315689.

It is an arithmetic number, because the mean of its divisors is an integer number (53315689).

Almost surely, 2^106631377 is an apocalyptic number.

It is an amenable number.

106631377 is a deficient number, since it is larger than the sum of its proper divisors (1).

106631377 is an equidigital number, since it uses as much as digits as its factorization.

106631377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 106631377 is about 10326.2469949154. The cubic root of 106631377 is about 474.2001341719.

Adding to 106631377 its reverse (773136601), we get a palindrome (879767978).

The spelling of 106631377 in words is "one hundred six million, six hundred thirty-one thousand, three hundred seventy-seven".