1304001431 has 4 divisors (see below), whose sum is σ = 1304301600. Its totient is φ = 1303701264.

The previous prime is 1304001401. The next prime is 1304001437. The reversal of 1304001431 is 1341004031.

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 1304001431 - 2⁶ = 1304001367 is a prime.

It is a super-2 number, since 2×1304001431² = 3400839464100095522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304001437) 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, 143471 + ... + 152288.

It is an arithmetic number, because the mean of its divisors is an integer number (326075400).

Almost surely, 2^1304001431 is an apocalyptic number.

1304001431 is a deficient number, since it is larger than the sum of its proper divisors (300169).

1304001431 is an equidigital number, since it uses as much as digits as its factorization.

1304001431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300168.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1304001431 is about 36110.9599844701. The cubic root of 1304001431 is about 1092.5115138940.

Adding to 1304001431 its reverse (1341004031), we get a palindrome (2645005462).

The spelling of 1304001431 in words is "one billion, three hundred four million, one thousand, four hundred thirty-one".