1828718131 has 2 divisors, whose sum is σ = 1828718132. Its totient is φ = 1828718130.

The previous prime is 1828718123. The next prime is 1828718153. The reversal of 1828718131 is 1318178281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1828718131 - 2³ = 1828718123 is a prime.

It is a super-2 number, since 2×1828718131² = 6688420005296266322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1828718161) 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 as a sum of consecutive naturals, namely, 914359065 + 914359066.

It is an arithmetic number, because the mean of its divisors is an integer number (914359066).

Almost surely, 2^1828718131 is an apocalyptic number.

1828718131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1828718131 is an equidigital number, since it uses as much as digits as its factorization.

1828718131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 40.

The square root of 1828718131 is about 42763.5140160394. The cubic root of 1828718131 is about 1222.8755360908.

The spelling of 1828718131 in words is "one billion, eight hundred twenty-eight million, seven hundred eighteen thousand, one hundred thirty-one".