17131930 has 16 divisors (see below), whose sum is σ = 31112424. Its totient is φ = 6791680.

The previous prime is 17131921. The next prime is 17131943. The reversal of 17131930 is 3913171.

It can be written as a sum of positive squares in 4 ways, for example, as 8958049 + 8173881 = 2993^2 + 2859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 17131895 and 17131904.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6451 + ... + 8710.

Almost surely, 2^17131930 is an apocalyptic number.

17131930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17131930 is a deficient number, since it is larger than the sum of its proper divisors (13980494).

17131930 is a wasteful number, since it uses less digits than its factorization.

17131930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15281.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 17131930 is about 4139.0735678410. The cubic root of 17131930 is about 257.7916010363.

The spelling of 17131930 in words is "seventeen million, one hundred thirty-one thousand, nine hundred thirty".