1304431413331 has 8 divisors (see below), whose sum is σ = 1342961848640. Its totient is φ = 1266073374528.

The previous prime is 1304431413301. The next prime is 1304431413343. The reversal of 1304431413331 is 1333141344031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304431413331 - 2⁷ = 1304431413203 is a prime.

It is a super-2 number, since 2×1304431413331² (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 = 1304431413293 and 1304431413302.

It is not an unprimeable number, because it can be changed into a prime (1304431413301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43083771 + ... + 43114036.

It is an arithmetic number, because the mean of its divisors is an integer number (167870231080).

Almost surely, 2^{1304431413331} is an apocalyptic number.

1304431413331 is a deficient number, since it is larger than the sum of its proper divisors (38530435309).

1304431413331 is an equidigital number, since it uses as much as digits as its factorization.

1304431413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86198253.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1304431413331 its reverse (1333141344031), we get a palindrome (2637572757362).

The spelling of 1304431413331 in words is "one trillion, three hundred four billion, four hundred thirty-one million, four hundred thirteen thousand, three hundred thirty-one".