1231506232 has 16 divisors (see below), whose sum is σ = 2518990200. Its totient is φ = 559775520.

The previous prime is 1231506203. The next prime is 1231506259. The reversal of 1231506232 is 2326051321.

It is a junction number, because it is equal to n+sod(n) for n = 1231506197 and 1231506206.

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, 6997107 + ... + 6997282.

Almost surely, 2^1231506232 is an apocalyptic number.

It is an amenable number.

1231506232 is an abundant number, since it is smaller than the sum of its proper divisors (1287483968).

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

1231506232 is a wasteful number, since it uses less digits than its factorization.

1231506232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13994406 (or 13994402 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1231506232 is about 35092.8230839299. The cubic root of 1231506232 is about 1071.8784460638.

Adding to 1231506232 its reverse (2326051321), we get a palindrome (3557557553).

The spelling of 1231506232 in words is "one billion, two hundred thirty-one million, five hundred six thousand, two hundred thirty-two".