31112200202011 has 2 divisors, whose sum is σ = 31112200202012. Its totient is φ = 31112200202010.

The previous prime is 31112200202003. The next prime is 31112200202117. The reversal of 31112200202011 is 11020200221113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31112200202011 - 2³ = 31112200202003 is a prime.

It is not a weakly prime, because it can be changed into another prime (31112200205011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556100101005 + 15556100101006.

It is an arithmetic number, because the mean of its divisors is an integer number (15556100101006).

Almost surely, 2^{31112200202011} is an apocalyptic number.

31112200202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112200202011 is an equidigital number, since it uses as much as digits as its factorization.

31112200202011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31112200202011 its reverse (11020200221113), we get a palindrome (42132400423124).

The spelling of 31112200202011 in words is "thirty-one trillion, one hundred twelve billion, two hundred million, two hundred two thousand, eleven".