1317031 has 2 divisors, whose sum is σ = 1317032. Its totient is φ = 1317030.

The previous prime is 1317013. The next prime is 1317059. The reversal of 1317031 is 1307131.

It is a happy number.

Together with previous prime (1317013) 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 not a de Polignac number, because 1317031 - 2⁵ = 1316999 is a prime.

It is a super-2 number, since 2×1317031² = 3469141309922, which contains 22 as substring.

1317031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1316996 and 1317014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658515 + 658516.

It is an arithmetic number, because the mean of its divisors is an integer number (658516).

2^1317031 is an apocalyptic number.

1317031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317031 is an equidigital number, since it uses as much as digits as its factorization.

1317031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63, while the sum is 16.

The square root of 1317031 is about 1147.6197105313. The cubic root of 1317031 is about 109.6138249117.

The spelling of 1317031 in words is "one million, three hundred seventeen thousand, thirty-one".