1313232443231 has 8 divisors (see below), whose sum is σ = 1370644816464. Its totient is φ = 1257028751680.

The previous prime is 1313232443191. The next prime is 1313232443239. The reversal of 1313232443231 is 1323442323131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313232443231 - 2⁶ = 1313232443167 is a prime.

It is a super-2 number, since 2×1313232443231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313232443239) 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, 302168201 + ... + 302172546.

It is an arithmetic number, because the mean of its divisors is an integer number (171330602058).

Almost surely, 2^{1313232443231} is an apocalyptic number.

1313232443231 is a deficient number, since it is larger than the sum of its proper divisors (57412373233).

1313232443231 is an equidigital number, since it uses as much as digits as its factorization.

1313232443231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604340841.

The product of its digits is 31104, while the sum is 32.

Adding to 1313232443231 its reverse (1323442323131), we get a palindrome (2636674766362).

The spelling of 1313232443231 in words is "one trillion, three hundred thirteen billion, two hundred thirty-two million, four hundred forty-three thousand, two hundred thirty-one".