304020401345 has 16 divisors (see below), whose sum is σ = 384700752000. Its totient is φ = 230010473088.

The previous prime is 304020401339. The next prime is 304020401353. The reversal of 304020401345 is 543104020403.

It is a cyclic number.

It is not a de Polignac number, because 304020401345 - 2¹⁶ = 304020335809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2758085 + ... + 2866194.

It is an arithmetic number, because the mean of its divisors is an integer number (24043797000).

Almost surely, 2^304020401345 is an apocalyptic number.

It is an amenable number.

304020401345 is a deficient number, since it is larger than the sum of its proper divisors (80680350655).

304020401345 is a wasteful number, since it uses less digits than its factorization.

304020401345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624872.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 304020401345 its reverse (543104020403), we get a palindrome (847124421748).

The spelling of 304020401345 in words is "three hundred four billion, twenty million, four hundred one thousand, three hundred forty-five".