1231104043032 has 16 divisors (see below), whose sum is σ = 3077760107640. Its totient is φ = 410368014336.

The previous prime is 1231104042953. The next prime is 1231104043051. The reversal of 1231104043032 is 2303404011321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51296001793 = 1231104043032 / (1 + 2 + 3 + 1 + 1 + 0 + 4 + 0 + 4 + 3 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1231104042993 and 1231104043011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25648000873 + ... + 25648000920.

Almost surely, 2^{1231104043032} is an apocalyptic number.

1231104043032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1231104043032 is an abundant number, since it is smaller than the sum of its proper divisors (1846656064608).

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

1231104043032 is a wasteful number, since it uses less digits than its factorization.

1231104043032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51296001802 (or 51296001798 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1231104043032 its reverse (2303404011321), we get a palindrome (3534508054353).

The spelling of 1231104043032 in words is "one trillion, two hundred thirty-one billion, one hundred four million, forty-three thousand, thirty-two".