828293131 has 4 divisors (see below), whose sum is σ = 829107000. Its totient is φ = 827479264.

The previous prime is 828293129. The next prime is 828293177. The reversal of 828293131 is 131392828.

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 828293131 - 2¹ = 828293129 is a prime.

It is a super-2 number, since 2×828293131² = 1372139021723566322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828293231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405406 + ... + 407443.

It is an arithmetic number, because the mean of its divisors is an integer number (207276750).

Almost surely, 2^828293131 is an apocalyptic number.

828293131 is a deficient number, since it is larger than the sum of its proper divisors (813869).

828293131 is a wasteful number, since it uses less digits than its factorization.

828293131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813868.

The product of its digits is 20736, while the sum is 37.

The square root of 828293131 is about 28780.0821923774. The cubic root of 828293131 is about 939.1349862629.

The spelling of 828293131 in words is "eight hundred twenty-eight million, two hundred ninety-three thousand, one hundred thirty-one".