1348331 has 2 divisors, whose sum is σ = 1348332. Its totient is φ = 1348330.

The previous prime is 1348313. The next prime is 1348357. The reversal of 1348331 is 1338431.

It is a happy number.

Together with previous prime (1348313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1348331 is a prime.

It is a super-2 number, since 2×1348331² = 3635992971122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1348297 and 1348306.

It is not a weakly prime, because it can be changed into another prime (1348381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674165 + 674166.

It is an arithmetic number, because the mean of its divisors is an integer number (674166).

2^1348331 is an apocalyptic number.

1348331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348331 is an equidigital number, since it uses as much as digits as its factorization.

1348331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 1348331 is about 1161.1765584957. The cubic root of 1348331 is about 110.4753806321.

The spelling of 1348331 in words is "one million, three hundred forty-eight thousand, three hundred thirty-one".