1830131 has 4 divisors (see below), whose sum is σ = 1879632. Its totient is φ = 1780632.

The previous prime is 1830119. The next prime is 1830163. The reversal of 1830131 is 1310381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1830131 - 2¹⁸ = 1567987 is a prime.

It is a super-2 number, since 2×1830131² = 6698758954322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1830181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24695 + ... + 24768.

It is an arithmetic number, because the mean of its divisors is an integer number (469908).

2^1830131 is an apocalyptic number.

1830131 is a deficient number, since it is larger than the sum of its proper divisors (49501).

1830131 is an equidigital number, since it uses as much as digits as its factorization.

1830131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49500.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1830131 is about 1352.8233439736. The cubic root of 1830131 is about 122.3190386539.

The spelling of 1830131 in words is "one million, eight hundred thirty thousand, one hundred thirty-one".