831420263 has 8 divisors (see below), whose sum is σ = 852266016. Its totient is φ = 810601600.

The previous prime is 831420251. The next prime is 831420277. The reversal of 831420263 is 362024138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 831420263 - 2⁶ = 831420199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831420283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64670 + ... + 76452.

It is an arithmetic number, because the mean of its divisors is an integer number (106533252).

Almost surely, 2^831420263 is an apocalyptic number.

831420263 is a deficient number, since it is larger than the sum of its proper divisors (20845753).

831420263 is a wasteful number, since it uses less digits than its factorization.

831420263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13545.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 831420263 is about 28834.3590703868. The cubic root of 831420263 is about 940.3153698871.

The spelling of 831420263 in words is "eight hundred thirty-one million, four hundred twenty thousand, two hundred sixty-three".