829423131 has 12 divisors (see below), whose sum is σ = 1167167592. Its totient is φ = 523845504.

The previous prime is 829423123. The next prime is 829423139. The reversal of 829423131 is 131324928.

It is an interprime number because it is at equal distance from previous prime (829423123) and next prime (829423139).

It is not a de Polignac number, because 829423131 - 2³ = 829423123 is a prime.

It is a super-2 number, since 2×829423131² = 1375885460475686322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 829423092 and 829423101.

It is not an unprimeable number, because it can be changed into a prime (829423139) 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, 381846 + ... + 384011.

It is an arithmetic number, because the mean of its divisors is an integer number (97263966).

Almost surely, 2^829423131 is an apocalyptic number.

829423131 is a deficient number, since it is larger than the sum of its proper divisors (337744461).

829423131 is a wasteful number, since it uses less digits than its factorization.

829423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765898 (or 765879 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 829423131 is about 28799.7071339276. The cubic root of 829423131 is about 939.5618642480.

The spelling of 829423131 in words is "eight hundred twenty-nine million, four hundred twenty-three thousand, one hundred thirty-one".