31312232113043 has 8 divisors (see below), whose sum is σ = 35825935212288. Its totient is φ = 26808660784584.

The previous prime is 31312232113021. The next prime is 31312232113133. The reversal of 31312232113043 is 34031123221313.

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

It is not a de Polignac number, because 31312232113043 - 2⁸ = 31312232112787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31312232112997 and 31312232113015.

It is not an unprimeable number, because it can be changed into a prime (31312232113003) 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, 2532936071 + ... + 2532948432.

It is an arithmetic number, because the mean of its divisors is an integer number (4478241901536).

Almost surely, 2^{31312232113043} is an apocalyptic number.

31312232113043 is a deficient number, since it is larger than the sum of its proper divisors (4513703099245).

31312232113043 is an equidigital number, since it uses as much as digits as its factorization.

31312232113043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065885393.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 31312232113043 its reverse (34031123221313), we get a palindrome (65343355334356).

The spelling of 31312232113043 in words is "thirty-one trillion, three hundred twelve billion, two hundred thirty-two million, one hundred thirteen thousand, forty-three".