1231830808 has 16 divisors (see below), whose sum is σ = 2487350880. Its totient is φ = 568537248.

The previous prime is 1231830779. The next prime is 1231830827. The reversal of 1231830808 is 8080381321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5922160 + ... + 5922367.

It is an arithmetic number, because the mean of its divisors is an integer number (155459430).

Almost surely, 2^1231830808 is an apocalyptic number.

It is an amenable number.

1231830808 is an abundant number, since it is smaller than the sum of its proper divisors (1255520072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231830808 is a wasteful number, since it uses less digits than its factorization.

1231830808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11844546 (or 11844542 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1231830808 is about 35097.4473145840. The cubic root of 1231830808 is about 1071.9726059496.

The spelling of 1231830808 in words is "one billion, two hundred thirty-one million, eight hundred thirty thousand, eight hundred eight".