1231930932 has 24 divisors (see below), whose sum is σ = 2875201056. Its totient is φ = 410544288.

The previous prime is 1231930913. The next prime is 1231930963. The reversal of 1231930932 is 2390391321.

It is a junction number, because it is equal to n+sod(n) for n = 1231930893 and 1231930902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53043 + ... + 72645.

It is an arithmetic number, because the mean of its divisors is an integer number (119800044).

Almost surely, 2^1231930932 is an apocalyptic number.

1231930932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231930932 is an abundant number, since it is smaller than the sum of its proper divisors (1643270124).

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

1231930932 is a wasteful number, since it uses less digits than its factorization.

1231930932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24847 (or 24845 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 1231930932 is about 35098.8736571418. The cubic root of 1231930932 is about 1072.0016487036.

The spelling of 1231930932 in words is "one billion, two hundred thirty-one million, nine hundred thirty thousand, nine hundred thirty-two".