101340321 has 16 divisors (see below), whose sum is σ = 137007936. Its totient is φ = 66622976.

The previous prime is 101340311. The next prime is 101340329. The reversal of 101340321 is 123043101.

It is a cyclic number.

It is not a de Polignac number, because 101340321 - 2⁷ = 101340193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101340321.

It is not an unprimeable number, because it can be changed into a prime (101340329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78346 + ... + 79628.

It is an arithmetic number, because the mean of its divisors is an integer number (8562996).

Almost surely, 2^101340321 is an apocalyptic number.

It is an amenable number.

101340321 is a deficient number, since it is larger than the sum of its proper divisors (35667615).

101340321 is a wasteful number, since it uses less digits than its factorization.

101340321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 101340321 is about 10066.7929848587. The cubic root of 101340321 is about 466.2234264792.

Adding to 101340321 its reverse (123043101), we get a palindrome (224383422).

The spelling of 101340321 in words is "one hundred one million, three hundred forty thousand, three hundred twenty-one".