1304040131 has 8 divisors (see below), whose sum is σ = 1440781344. Its totient is φ = 1173969280.

The previous prime is 1304040113. The next prime is 1304040149. The reversal of 1304040131 is 1310404031.

It is an interprime number because it is at equal distance from previous prime (1304040113) and next prime (1304040149).

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 1304040131 - 2³⁰ = 230298307 is a prime.

It is a super-2 number, since 2×1304040131² = 3401041326516994322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304040431) 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, 1667180 + ... + 1667961.

It is an arithmetic number, because the mean of its divisors is an integer number (180097668).

Almost surely, 2^1304040131 is an apocalyptic number.

1304040131 is a deficient number, since it is larger than the sum of its proper divisors (136741213).

1304040131 is a wasteful number, since it uses less digits than its factorization.

1304040131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335181.

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

The square root of 1304040131 is about 36111.4958288908. The cubic root of 1304040131 is about 1092.5223215962.

Adding to 1304040131 its reverse (1310404031), we get a palindrome (2614444162).

The spelling of 1304040131 in words is "one billion, three hundred four million, forty thousand, one hundred thirty-one".