31314240222211 has 2 divisors, whose sum is σ = 31314240222212. Its totient is φ = 31314240222210.

The previous prime is 31314240222203. The next prime is 31314240222233. The reversal of 31314240222211 is 11222204241313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31314240222211 - 2³ = 31314240222203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31314240222211.

It is not a weakly prime, because it can be changed into another prime (31314240222241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15657120111105 + 15657120111106.

It is an arithmetic number, because the mean of its divisors is an integer number (15657120111106).

Almost surely, 2^{31314240222211} is an apocalyptic number.

31314240222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

31314240222211 is an equidigital number, since it uses as much as digits as its factorization.

31314240222211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31314240222211 its reverse (11222204241313), we get a palindrome (42536444463524).

The spelling of 31314240222211 in words is "thirty-one trillion, three hundred fourteen billion, two hundred forty million, two hundred twenty-two thousand, two hundred eleven".