828234131 has 2 divisors, whose sum is σ = 828234132. Its totient is φ = 828234130.

The previous prime is 828234109. The next prime is 828234247. The reversal of 828234131 is 131432828.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828234131 is a prime.

It is a super-2 number, since 2×828234131² = 1371943551506650322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (828234331) 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 as a sum of consecutive naturals, namely, 414117065 + 414117066.

It is an arithmetic number, because the mean of its divisors is an integer number (414117066).

Almost surely, 2^828234131 is an apocalyptic number.

828234131 is a deficient number, since it is larger than the sum of its proper divisors (1).

828234131 is an equidigital number, since it uses as much as digits as its factorization.

828234131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 828234131 is about 28779.0571596778. The cubic root of 828234131 is about 939.1126872813.

Adding to 828234131 its reverse (131432828), we get a palindrome (959666959).

The spelling of 828234131 in words is "eight hundred twenty-eight million, two hundred thirty-four thousand, one hundred thirty-one".