340100243321 has 4 divisors (see below), whose sum is σ = 351071218944. Its totient is φ = 329129267700.

The previous prime is 340100243317. The next prime is 340100243341. The reversal of 340100243321 is 123342001043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340100243321 - 2² = 340100243317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340100243341) 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, 5485487765 + ... + 5485487826.

It is an arithmetic number, because the mean of its divisors is an integer number (87767804736).

Almost surely, 2^340100243321 is an apocalyptic number.

340100243321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

340100243321 is a deficient number, since it is larger than the sum of its proper divisors (10970975623).

340100243321 is a wasteful number, since it uses less digits than its factorization.

340100243321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970975622.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 340100243321 its reverse (123342001043), we get a palindrome (463442244364).

The spelling of 340100243321 in words is "three hundred forty billion, one hundred million, two hundred forty-three thousand, three hundred twenty-one".