1232301344431 has 4 divisors (see below), whose sum is σ = 1232305332832. Its totient is φ = 1232297356032.

The previous prime is 1232301344419. The next prime is 1232301344447. The reversal of 1232301344431 is 1344431032321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1232301344431 - 2²¹ = 1232299247279 is a prime.

It is a super-2 number, since 2×1232301344431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232301344393 and 1232301344402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232301344411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487895 + ... + 2162968.

It is an arithmetic number, because the mean of its divisors is an integer number (308076333208).

Almost surely, 2^{1232301344431} is an apocalyptic number.

1232301344431 is a deficient number, since it is larger than the sum of its proper divisors (3988401).

1232301344431 is an equidigital number, since it uses as much as digits as its factorization.

1232301344431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988400.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1232301344431 its reverse (1344431032321), we get a palindrome (2576732376752).

The spelling of 1232301344431 in words is "one trillion, two hundred thirty-two billion, three hundred one million, three hundred forty-four thousand, four hundred thirty-one".