106444431 has 6 divisors (see below), whose sum is σ = 153753080. Its totient is φ = 70962948.

The previous prime is 106444427. The next prime is 106444433. The reversal of 106444431 is 134444601.

106444431 is a `hidden beast` number, since 10 + 644 + 4 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 106444431 - 2² = 106444427 is a prime.

It is a super-2 number, since 2×106444431² = 22660833781827522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 106444395 and 106444404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106444433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5913571 + ... + 5913588.

Almost surely, 2^106444431 is an apocalyptic number.

106444431 is a deficient number, since it is larger than the sum of its proper divisors (47308649).

106444431 is a wasteful number, since it uses less digits than its factorization.

106444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827165 (or 11827162 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 106444431 is about 10317.1910421393. The cubic root of 106444431 is about 473.9228496983.

The spelling of 106444431 in words is "one hundred six million, four hundred forty-four thousand, four hundred thirty-one".