1304031303213 has 16 divisors (see below), whose sum is σ = 1752200271360. Its totient is φ = 862615291824.

The previous prime is 1304031303191. The next prime is 1304031303233. The reversal of 1304031303213 is 3123031304031.

It is a happy number.

It is not a de Polignac number, because 1304031303213 - 2¹⁸ = 1304031041069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304031303233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133431 + ... + 1620452.

It is an arithmetic number, because the mean of its divisors is an integer number (109512516960).

Almost surely, 2^{1304031303213} is an apocalyptic number.

It is an amenable number.

1304031303213 is a deficient number, since it is larger than the sum of its proper divisors (448168968147).

1304031303213 is a wasteful number, since it uses less digits than its factorization.

1304031303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755808.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1304031303213 its reverse (3123031304031), we get a palindrome (4427062607244).

The spelling of 1304031303213 in words is "one trillion, three hundred four billion, thirty-one million, three hundred three thousand, two hundred thirteen".