831783941 has 2 divisors, whose sum is σ = 831783942. Its totient is φ = 831783940.

The previous prime is 831783917. The next prime is 831783977. The reversal of 831783941 is 149387138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 599221441 + 232562500 = 24479^2 + 15250^2 .

It is a cyclic number.

It is not a de Polignac number, because 831783941 - 2¹⁴ = 831767557 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 831783892 and 831783901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (831783241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415891970 + 415891971.

It is an arithmetic number, because the mean of its divisors is an integer number (415891971).

Almost surely, 2^831783941 is an apocalyptic number.

It is an amenable number.

831783941 is a deficient number, since it is larger than the sum of its proper divisors (1).

831783941 is an equidigital number, since it uses as much as digits as its factorization.

831783941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 831783941 is about 28840.6647114799. The cubic root of 831783941 is about 940.4524534531.

The spelling of 831783941 in words is "eight hundred thirty-one million, seven hundred eighty-three thousand, nine hundred forty-one".