670031 has 2 divisors, whose sum is σ = 670032. Its totient is φ = 670030.

The previous prime is 670001. The next prime is 670037. The reversal of 670031 is 130076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670031 - 2¹⁴ = 653647 is a prime.

It is a super-2 number, since 2×670031² = 897883081922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 669991 and 670009.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670031.

It is not a weakly prime, because it can be changed into another prime (670037) 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, 335015 + 335016.

It is an arithmetic number, because the mean of its divisors is an integer number (335016).

2⁶⁷⁰⁰³¹ is an apocalyptic number.

670031 is a deficient number, since it is larger than the sum of its proper divisors (1).

670031 is an equidigital number, since it uses as much as digits as its factorization.

670031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 670031 is about 818.5542132321. The cubic root of 670031 is about 87.5047507625.

The spelling of 670031 in words is "six hundred seventy thousand, thirty-one".