131830 has 8 divisors (see below), whose sum is σ = 237312. Its totient is φ = 52728.

The previous prime is 131797. The next prime is 131837. The reversal of 131830 is 38131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131837) by changing a digit.

131830 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6582 + ... + 6601.

It is an arithmetic number, because the mean of its divisors is an integer number (29664).

2¹³¹⁸³⁰ is an apocalyptic number.

131830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131830 is a deficient number, since it is larger than the sum of its proper divisors (105482).

131830 is a wasteful number, since it uses less digits than its factorization.

131830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131830 is about 363.0840123167. The cubic root of 131830 is about 50.8945662414.

Adding to 131830 its reverse (38131), we get a palindrome (169961).

It can be divided in two parts, 131 and 830, that added together give a square (961 = 31²).

The spelling of 131830 in words is "one hundred thirty-one thousand, eight hundred thirty".