2404343311321 has 8 divisors (see below), whose sum is σ = 2748143471744. Its totient is φ = 2060623787040.

The previous prime is 2404343311291. The next prime is 2404343311379. The reversal of 2404343311321 is 1231133434042.

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

It is not a de Polignac number, because 2404343311321 - 2¹³ = 2404343303129 is a prime.

It is a super-2 number, since 2×2404343311321² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2404343311921) 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, 20095125 + ... + 20214418.

It is an arithmetic number, because the mean of its divisors is an integer number (343517933968).

Almost surely, 2^{2404343311321} is an apocalyptic number.

It is an amenable number.

2404343311321 is a deficient number, since it is larger than the sum of its proper divisors (343800160423).

2404343311321 is an equidigital number, since it uses as much as digits as its factorization.

2404343311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40318071.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 2404343311321 its reverse (1231133434042), we get a palindrome (3635476745363).

The spelling of 2404343311321 in words is "two trillion, four hundred four billion, three hundred forty-three million, three hundred eleven thousand, three hundred twenty-one".