101320443 has 16 divisors (see below), whose sum is σ = 171548160. Its totient is φ = 57897288.

The previous prime is 101320411. The next prime is 101320469. The reversal of 101320443 is 344023101.

It is not a de Polignac number, because 101320443 - 2⁵ = 101320411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101320643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267855 + ... + 268232.

It is an arithmetic number, because the mean of its divisors is an integer number (10721760).

Almost surely, 2^101320443 is an apocalyptic number.

101320443 is a deficient number, since it is larger than the sum of its proper divisors (70227717).

101320443 is an equidigital number, since it uses as much as digits as its factorization.

101320443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536103 (or 536097 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 101320443 is about 10065.8056309468. The cubic root of 101320443 is about 466.1929410969.

Adding to 101320443 its reverse (344023101), we get a palindrome (445343544).

The spelling of 101320443 in words is "one hundred one million, three hundred twenty thousand, four hundred forty-three".