31132333212223 has 2 divisors, whose sum is σ = 31132333212224. Its totient is φ = 31132333212222.

The previous prime is 31132333212209. The next prime is 31132333212287. The reversal of 31132333212223 is 32221233323113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31132333212223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31132333212523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15566166606111 + 15566166606112.

It is an arithmetic number, because the mean of its divisors is an integer number (15566166606112).

Almost surely, 2^{31132333212223} is an apocalyptic number.

31132333212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31132333212223 is an equidigital number, since it uses as much as digits as its factorization.

31132333212223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 31.

Adding to 31132333212223 its reverse (32221233323113), we get a palindrome (63353566535336).

The spelling of 31132333212223 in words is "thirty-one trillion, one hundred thirty-two billion, three hundred thirty-three million, two hundred twelve thousand, two hundred twenty-three".