31324043202323 has 2 divisors, whose sum is σ = 31324043202324. Its totient is φ = 31324043202322.

The previous prime is 31324043202317. The next prime is 31324043202371. The reversal of 31324043202323 is 32320234042313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31324043202323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31324043202323.

It is not a weakly prime, because it can be changed into another prime (31324043202623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15662021601161 + 15662021601162.

It is an arithmetic number, because the mean of its divisors is an integer number (15662021601162).

Almost surely, 2^{31324043202323} is an apocalyptic number.

31324043202323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31324043202323 is an equidigital number, since it uses as much as digits as its factorization.

31324043202323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 31324043202323 its reverse (32320234042313), we get a palindrome (63644277244636).

The spelling of 31324043202323 in words is "thirty-one trillion, three hundred twenty-four billion, forty-three million, two hundred two thousand, three hundred twenty-three".