831420725383 has 2 divisors, whose sum is σ = 831420725384. Its totient is φ = 831420725382.

The previous prime is 831420725323. The next prime is 831420725389. The reversal of 831420725383 is 383527024138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 831420725383 - 2¹³ = 831420717191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (831420725389) 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, 415710362691 + 415710362692.

It is an arithmetic number, because the mean of its divisors is an integer number (415710362692).

Almost surely, 2^831420725383 is an apocalyptic number.

831420725383 is a deficient number, since it is larger than the sum of its proper divisors (1).

831420725383 is an equidigital number, since it uses as much as digits as its factorization.

831420725383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 831420725383 in words is "eight hundred thirty-one billion, four hundred twenty million, seven hundred twenty-five thousand, three hundred eighty-three".