304400052115321 has 4 divisors (see below), whose sum is σ = 304401272410000. Its totient is φ = 304398831820644.

The previous prime is 304400052115303. The next prime is 304400052115349. The reversal of 304400052115321 is 123511250004403.

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 304400052115321 - 2²⁵ = 304400018560889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304400052115391) 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, 609773091 + ... + 610272088.

It is an arithmetic number, because the mean of its divisors is an integer number (76100318102500).

Almost surely, 2^{304400052115321} is an apocalyptic number.

It is an amenable number.

304400052115321 is a deficient number, since it is larger than the sum of its proper divisors (1220294679).

304400052115321 is a wasteful number, since it uses less digits than its factorization.

304400052115321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220294678.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 304400052115321 in words is "three hundred four trillion, four hundred billion, fifty-two million, one hundred fifteen thousand, three hundred twenty-one".