340403221531001 has 4 divisors (see below), whose sum is σ = 340403290447092. Its totient is φ = 340403152614912.

The previous prime is 340403221530991. The next prime is 340403221531003. The reversal of 340403221531001 is 100135122304043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177624282035776 + 162778939495225 = 13327576^2 + 12758485^2 .

It is a cyclic number.

It is not a de Polignac number, because 340403221531001 - 2¹⁰ = 340403221529977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340403221531003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26424680 + ... + 37135833.

It is an arithmetic number, because the mean of its divisors is an integer number (85100822611773).

Almost surely, 2^{340403221531001} is an apocalyptic number.

It is an amenable number.

340403221531001 is a deficient number, since it is larger than the sum of its proper divisors (68916091).

340403221531001 is an equidigital number, since it uses as much as digits as its factorization.

340403221531001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68916090.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 340403221531001 its reverse (100135122304043), we get a palindrome (440538343835044).

The spelling of 340403221531001 in words is "three hundred forty trillion, four hundred three billion, two hundred twenty-one million, five hundred thirty-one thousand, one".