1304810131 has 2 divisors, whose sum is σ = 1304810132. Its totient is φ = 1304810130.

The previous prime is 1304810113. The next prime is 1304810153. The reversal of 1304810131 is 1310184031.

Together with previous prime (1304810113) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (1304810153) can be obtained adding 1304810131 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1304810131 - 2¹¹ = 1304808083 is a prime.

It is a super-2 number, since 2×1304810131² = 3405058955920474322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1304810431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652405065 + 652405066.

It is an arithmetic number, because the mean of its divisors is an integer number (652405066).

Almost surely, 2^1304810131 is an apocalyptic number.

1304810131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304810131 is an equidigital number, since it uses as much as digits as its factorization.

1304810131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1304810131 is about 36122.1556804131. The cubic root of 1304810131 is about 1092.7373141273.

Adding to 1304810131 its reverse (1310184031), we get a palindrome (2614994162).

The spelling of 1304810131 in words is "one billion, three hundred four million, eight hundred ten thousand, one hundred thirty-one".