340541321 has 8 divisors (see below), whose sum is σ = 343176000. Its totient is φ = 337912848.

The previous prime is 340541317. The next prime is 340541329. The reversal of 340541321 is 123145043.

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 340541321 - 2² = 340541317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340541329) 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, 226430 + ... + 227928.

It is an arithmetic number, because the mean of its divisors is an integer number (42897000).

Almost surely, 2^340541321 is an apocalyptic number.

It is an amenable number.

340541321 is a deficient number, since it is larger than the sum of its proper divisors (2634679).

340541321 is a wasteful number, since it uses less digits than its factorization.

340541321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 340541321 is about 18453.7617032409. The cubic root of 340541321 is about 698.3234168418.

Adding to 340541321 its reverse (123145043), we get a palindrome (463686364).

The spelling of 340541321 in words is "three hundred forty million, five hundred forty-one thousand, three hundred twenty-one".