823248131 has 32 divisors (see below), whose sum is σ = 932083200. Its totient is φ = 723444480.

The previous prime is 823248119. The next prime is 823248133. The reversal of 823248131 is 131842328.

It is a cyclic number.

It is not a de Polignac number, because 823248131 - 2⁶ = 823248067 is a prime.

It is a super-2 number, since 2×823248131² = 1355474970389986322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823248133) 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 31 ways as a sum of consecutive naturals, for example, 2372300 + ... + 2372646.

It is an arithmetic number, because the mean of its divisors is an integer number (29127600).

Almost surely, 2^823248131 is an apocalyptic number.

823248131 is a deficient number, since it is larger than the sum of its proper divisors (108835069).

823248131 is a wasteful number, since it uses less digits than its factorization.

823248131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539.

The product of its digits is 9216, while the sum is 32.

The square root of 823248131 is about 28692.3009011128. The cubic root of 823248131 is about 937.2243953358.

The spelling of 823248131 in words is "eight hundred twenty-three million, two hundred forty-eight thousand, one hundred thirty-one".