320541101 has 4 divisors (see below), whose sum is σ = 329204412. Its totient is φ = 311877792.

The previous prime is 320541097. The next prime is 320541107. The reversal of 320541101 is 101145023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101145023 = 7 ⋅14449289.

It can be written as a sum of positive squares in 2 ways, for example, as 218005225 + 102535876 = 14765^2 + 10126^2 .

It is a cyclic number.

It is not a de Polignac number, because 320541101 - 2² = 320541097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320541101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320541107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4331600 + ... + 4331673.

It is an arithmetic number, because the mean of its divisors is an integer number (82301103).

Almost surely, 2^320541101 is an apocalyptic number.

It is an amenable number.

320541101 is a deficient number, since it is larger than the sum of its proper divisors (8663311).

320541101 is an equidigital number, since it uses as much as digits as its factorization.

320541101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663310.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 320541101 is about 17903.6616645869. The cubic root of 320541101 is about 684.3756906118.

Adding to 320541101 its reverse (101145023), we get a palindrome (421686124).

The spelling of 320541101 in words is "three hundred twenty million, five hundred forty-one thousand, one hundred one".