31230330220223 has 2 divisors, whose sum is σ = 31230330220224. Its totient is φ = 31230330220222.

The previous prime is 31230330220213. The next prime is 31230330220237. The reversal of 31230330220223 is 32202203303213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31230330220223 - 2⁴ = 31230330220207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31230330220192 and 31230330220201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31230330220213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615165110111 + 15615165110112.

It is an arithmetic number, because the mean of its divisors is an integer number (15615165110112).

Almost surely, 2^{31230330220223} is an apocalyptic number.

31230330220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31230330220223 is an equidigital number, since it uses as much as digits as its factorization.

31230330220223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 31230330220223 its reverse (32202203303213), we get a palindrome (63432533523436).

The spelling of 31230330220223 in words is "thirty-one trillion, two hundred thirty billion, three hundred thirty million, two hundred twenty thousand, two hundred twenty-three".