31112202020323 has 2 divisors, whose sum is σ = 31112202020324. Its totient is φ = 31112202020322.

The previous prime is 31112202020303. The next prime is 31112202020327. The reversal of 31112202020323 is 32302020221113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31112202020323 is a prime.

It is a super-2 number, since 2×31112202020323² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31112202020294 and 31112202020303.

It is not a weakly prime, because it can be changed into another prime (31112202020327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556101010161 + 15556101010162.

It is an arithmetic number, because the mean of its divisors is an integer number (15556101010162).

Almost surely, 2^{31112202020323} is an apocalyptic number.

31112202020323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112202020323 is an equidigital number, since it uses as much as digits as its factorization.

31112202020323 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 31112202020323 its reverse (32302020221113), we get a palindrome (63414222241436).

The spelling of 31112202020323 in words is "thirty-one trillion, one hundred twelve billion, two hundred two million, twenty thousand, three hundred twenty-three".