1312232231033 has 8 divisors (see below), whose sum is σ = 1357503095880. Its totient is φ = 1266962798080.

The previous prime is 1312232231017. The next prime is 1312232231069. The reversal of 1312232231033 is 3301322322131.

It can be written as a sum of positive squares in 4 ways, for example, as 207984338809 + 1104247892224 = 456053^2 + 1050832^2 .

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 1312232231033 - 2⁴ = 1312232231017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312232230993 and 1312232231011.

It is not an unprimeable number, because it can be changed into a prime (1312232231333) 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, 1708841 + ... + 2354697.

It is an arithmetic number, because the mean of its divisors is an integer number (169687886985).

Almost surely, 2^{1312232231033} is an apocalyptic number.

It is an amenable number.

1312232231033 is a deficient number, since it is larger than the sum of its proper divisors (45270864847).

1312232231033 is an equidigital number, since it uses as much as digits as its factorization.

1312232231033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715947.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1312232231033 its reverse (3301322322131), we get a palindrome (4613554553164).

The spelling of 1312232231033 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, two hundred thirty-one thousand, thirty-three".