11730831 has 8 divisors (see below), whose sum is σ = 17875584. Its totient is φ = 6703320.

The previous prime is 11730811. The next prime is 11730853. The reversal of 11730831 is 13803711.

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

It is not a de Polignac number, because 11730831 - 2⁹ = 11730319 is a prime.

It is a super-2 number, since 2×11730831² = 275224791901122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11730811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279285 + ... + 279326.

It is an arithmetic number, because the mean of its divisors is an integer number (2234448).

Almost surely, 2^11730831 is an apocalyptic number.

11730831 is a deficient number, since it is larger than the sum of its proper divisors (6144753).

11730831 is an equidigital number, since it uses as much as digits as its factorization.

11730831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558621.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 11730831 is about 3425.0300728607. The cubic root of 11730831 is about 227.2181011065.

It can be divided in two parts, 11730 and 831, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11730831 in words is "eleven million, seven hundred thirty thousand, eight hundred thirty-one".