1232531045331 has 16 divisors (see below), whose sum is σ = 1651208076960. Its totient is φ = 817773546240.

The previous prime is 1232531045327. The next prime is 1232531045351. The reversal of 1232531045331 is 1335401352321.

It is not a de Polignac number, because 1232531045331 - 2² = 1232531045327 is a prime.

It is a super-2 number, since 2×1232531045331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232531045292 and 1232531045301.

It is not an unprimeable number, because it can be changed into a prime (1232531045351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376101 + ... + 2087753.

It is an arithmetic number, because the mean of its divisors is an integer number (103200504810).

Almost surely, 2^{1232531045331} is an apocalyptic number.

1232531045331 is a deficient number, since it is larger than the sum of its proper divisors (418677031629).

1232531045331 is a wasteful number, since it uses less digits than its factorization.

1232531045331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714406.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 1232531045331 its reverse (1335401352321), we get a palindrome (2567932397652).

The spelling of 1232531045331 in words is "one trillion, two hundred thirty-two billion, five hundred thirty-one million, forty-five thousand, three hundred thirty-one".