1304030431 has 6 divisors (see below), whose sum is σ = 1433355896. Its totient is φ = 1185482100.

The previous prime is 1304030423. The next prime is 1304030437. The reversal of 1304030431 is 1340304031.

It is not a de Polignac number, because 1304030431 - 2³ = 1304030423 is a prime.

It is a super-2 number, since 2×1304030431² = 3400990729948091522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304030399 and 1304030408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304030437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5388435 + ... + 5388676.

Almost surely, 2^1304030431 is an apocalyptic number.

1304030431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1304030431 is a deficient number, since it is larger than the sum of its proper divisors (129325465).

1304030431 is a wasteful number, since it uses less digits than its factorization.

1304030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777133 (or 10777122 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1304030431 is about 36111.3615223796. The cubic root of 1304030431 is about 1092.5196127090.

Adding to 1304030431 its reverse (1340304031), we get a palindrome (2644334462).

The spelling of 1304030431 in words is "one billion, three hundred four million, thirty thousand, four hundred thirty-one".