112313313821 has 2 divisors, whose sum is σ = 112313313822. Its totient is φ = 112313313820.

The previous prime is 112313313809. The next prime is 112313313829. The reversal of 112313313821 is 128313313211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70325205721 + 41988108100 = 265189^2 + 204910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112313313821 is a prime.

It is a super-2 number, since 2×112313313821² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112313313829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56156656910 + 56156656911.

It is an arithmetic number, because the mean of its divisors is an integer number (56156656911).

Almost surely, 2^112313313821 is an apocalyptic number.

It is an amenable number.

112313313821 is a deficient number, since it is larger than the sum of its proper divisors (1).

112313313821 is an equidigital number, since it uses as much as digits as its factorization.

112313313821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The spelling of 112313313821 in words is "one hundred twelve billion, three hundred thirteen million, three hundred thirteen thousand, eight hundred twenty-one".