1304402242331 has 4 divisors (see below), whose sum is σ = 1320913663200. Its totient is φ = 1287890821464.

The previous prime is 1304402242303. The next prime is 1304402242417. The reversal of 1304402242331 is 1332422044031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1304402242331 - 2³⁴ = 1287222373147 is a prime.

It is a super-2 number, since 2×1304402242331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304402242294 and 1304402242303.

It is not an unprimeable number, because it can be changed into a prime (1304402242831) 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, 8255710316 + ... + 8255710473.

It is an arithmetic number, because the mean of its divisors is an integer number (330228415800).

Almost surely, 2^{1304402242331} is an apocalyptic number.

1304402242331 is a deficient number, since it is larger than the sum of its proper divisors (16511420869).

1304402242331 is an equidigital number, since it uses as much as digits as its factorization.

1304402242331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16511420868.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1304402242331 its reverse (1332422044031), we get a palindrome (2636824286362).

The spelling of 1304402242331 in words is "one trillion, three hundred four billion, four hundred two million, two hundred forty-two thousand, three hundred thirty-one".