829915231 has 12 divisors (see below), whose sum is σ = 928011880. Its totient is φ = 739981440.

The previous prime is 829915223. The next prime is 829915241. The reversal of 829915231 is 132519928.

It is not a de Polignac number, because 829915231 - 2³ = 829915223 is a prime.

It is a super-2 number, since 2×829915231² = 1377518581291566722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (829915201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70080 + ... + 81061.

Almost surely, 2^829915231 is an apocalyptic number.

829915231 is a deficient number, since it is larger than the sum of its proper divisors (98096649).

829915231 is a wasteful number, since it uses less digits than its factorization.

829915231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151194 (or 151177 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 829915231 is about 28808.2493567381. The cubic root of 829915231 is about 939.7476427594.

The spelling of 829915231 in words is "eight hundred twenty-nine million, nine hundred fifteen thousand, two hundred thirty-one".