340130310221 has 8 divisors (see below), whose sum is σ = 378110121984. Its totient is φ = 303838490160.

The previous prime is 340130310209. The next prime is 340130310227. The reversal of 340130310221 is 122013031043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340130310221 - 2¹⁴ = 340130293837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 340130310193 and 340130310202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340130310227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421997501 + ... + 421998306.

It is an arithmetic number, because the mean of its divisors is an integer number (47263765248).

Almost surely, 2^340130310221 is an apocalyptic number.

340130310221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

340130310221 is a deficient number, since it is larger than the sum of its proper divisors (37979811763).

340130310221 is a wasteful number, since it uses less digits than its factorization.

340130310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843995851.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 340130310221 its reverse (122013031043), we get a palindrome (462143341264).

The spelling of 340130310221 in words is "three hundred forty billion, one hundred thirty million, three hundred ten thousand, two hundred twenty-one".