1232131231330 has 16 divisors (see below), whose sum is σ = 2277777736440. Its totient is φ = 479532154752.

The previous prime is 1232131231207. The next prime is 1232131231333. The reversal of 1232131231330 is 331321312321.

It can be written as a sum of positive squares in 4 ways, for example, as 1228153784841 + 3977446489 = 1108221^2 + 63067^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1232131231295 and 1232131231304.

It is not an unprimeable number, because it can be changed into a prime (1232131231333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665041835 + ... + 1665042574.

Almost surely, 2^{1232131231330} is an apocalyptic number.

1232131231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1232131231330 is a deficient number, since it is larger than the sum of its proper divisors (1045646505110).

1232131231330 is a wasteful number, since it uses less digits than its factorization.

1232131231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330084453.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1232131231330 its reverse (331321312321), we get a palindrome (1563452543651).

The spelling of 1232131231330 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred thirty".