670131 has 24 divisors (see below), whose sum is σ = 1208064. Its totient is φ = 347760.

The previous prime is 670129. The next prime is 670139. The reversal of 670131 is 131076.

It is not a de Polignac number, because 670131 - 2¹ = 670129 is a prime.

It is a super-2 number, since 2×670131² = 898151114322, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670131.

It is not an unprimeable number, because it can be changed into a prime (670139) 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 in 23 ways as a sum of consecutive naturals, for example, 210 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (50336).

2⁶⁷⁰¹³¹ is an apocalyptic number.

670131 is a deficient number, since it is larger than the sum of its proper divisors (537933).

670131 is a wasteful number, since it uses less digits than its factorization.

670131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 670131 is about 818.6152942622. The cubic root of 670131 is about 87.5091038147.

The spelling of 670131 in words is "six hundred seventy thousand, one hundred thirty-one".