1304100243 has 40 divisors (see below), whose sum is σ = 2113095600. Its totient is φ = 798266880.

The previous prime is 1304100241. The next prime is 1304100289. The reversal of 1304100243 is 3420014031.

1304100243 is a `hidden beast` number, since 13 + 0 + 410 + 0 + 243 = 666.

It is not a de Polignac number, because 1304100243 - 2¹ = 1304100241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304100241) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44908 + ... + 68006.

It is an arithmetic number, because the mean of its divisors is an integer number (52827390).

Almost surely, 2^1304100243 is an apocalyptic number.

1304100243 is a deficient number, since it is larger than the sum of its proper divisors (808995357).

1304100243 is a wasteful number, since it uses less digits than its factorization.

1304100243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23169 (or 23160 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1304100243 is about 36112.3281304321. The cubic root of 1304100243 is about 1092.5391085777.

Adding to 1304100243 its reverse (3420014031), we get a palindrome (4724114274).

The spelling of 1304100243 in words is "one billion, three hundred four million, one hundred thousand, two hundred forty-three".