106438831 has 2 divisors, whose sum is σ = 106438832. Its totient is φ = 106438830.

The previous prime is 106438823. The next prime is 106438867. The reversal of 106438831 is 138834601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106438831 - 2³ = 106438823 is a prime.

It is a super-2 number, since 2×106438831² = 22658449489293122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106438331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53219415 + 53219416.

It is an arithmetic number, because the mean of its divisors is an integer number (53219416).

Almost surely, 2^106438831 is an apocalyptic number.

106438831 is a deficient number, since it is larger than the sum of its proper divisors (1).

106438831 is an equidigital number, since it uses as much as digits as its factorization.

106438831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 106438831 is about 10316.9196468713. The cubic root of 106438831 is about 473.9145385872.

The spelling of 106438831 in words is "one hundred six million, four hundred thirty-eight thousand, eight hundred thirty-one".