831050385 has 48 divisors (see below), whose sum is σ = 1482364800. Its totient is φ = 397196800.

The previous prime is 831050351. The next prime is 831050393. The reversal of 831050385 is 583050138.

It is not a de Polignac number, because 831050385 - 2¹² = 831046289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125641 + ... + 132089.

It is an arithmetic number, because the mean of its divisors is an integer number (30882600).

Almost surely, 2^831050385 is an apocalyptic number.

It is an amenable number.

831050385 is a deficient number, since it is larger than the sum of its proper divisors (651314415).

831050385 is a wasteful number, since it uses less digits than its factorization.

831050385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550 (or 6539 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 831050385 is about 28827.9445156952. The cubic root of 831050385 is about 940.1759083044.

The spelling of 831050385 in words is "eight hundred thirty-one million, fifty thousand, three hundred eighty-five".