31113024223 has 2 divisors, whose sum is σ = 31113024224. Its totient is φ = 31113024222.

The previous prime is 31113024221. The next prime is 31113024247. The reversal of 31113024223 is 32242031113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31113024223 - 2¹ = 31113024221 is a prime.

Together with 31113024221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 31113024194 and 31113024203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31113024221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556512111 + 15556512112.

It is an arithmetic number, because the mean of its divisors is an integer number (15556512112).

Almost surely, 2^31113024223 is an apocalyptic number.

31113024223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113024223 is an equidigital number, since it uses as much as digits as its factorization.

31113024223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31113024223 its reverse (32242031113), we get a palindrome (63355055336).

The spelling of 31113024223 in words is "thirty-one billion, one hundred thirteen million, twenty-four thousand, two hundred twenty-three".