1231240330324 has 6 divisors (see below), whose sum is σ = 2154670578074. Its totient is φ = 615620165160.

The previous prime is 1231240330289. The next prime is 1231240330367. The reversal of 1231240330324 is 4230330421321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1224160790724 + 7079539600 = 1106418^2 + 84140^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1231240330292 and 1231240330301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153905041287 + ... + 153905041294.

Almost surely, 2^{1231240330324} is an apocalyptic number.

It is an amenable number.

1231240330324 is a deficient number, since it is larger than the sum of its proper divisors (923430247750).

1231240330324 is a wasteful number, since it uses less digits than its factorization.

1231240330324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307810082585 (or 307810082583 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1231240330324 its reverse (4230330421321), we get a palindrome (5461570751645).

The spelling of 1231240330324 in words is "one trillion, two hundred thirty-one billion, two hundred forty million, three hundred thirty thousand, three hundred twenty-four".