31212000013267 has 2 divisors, whose sum is σ = 31212000013268. Its totient is φ = 31212000013266.

The previous prime is 31212000013213. The next prime is 31212000013309. The reversal of 31212000013267 is 76231000021213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31212000013267 - 2¹¹ = 31212000011219 is a prime.

It is not a weakly prime, because it can be changed into another prime (31212000013367) 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, 15606000006633 + 15606000006634.

It is an arithmetic number, because the mean of its divisors is an integer number (15606000006634).

Almost surely, 2^{31212000013267} is an apocalyptic number.

31212000013267 is a deficient number, since it is larger than the sum of its proper divisors (1).

31212000013267 is an equidigital number, since it uses as much as digits as its factorization.

31212000013267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 31212000013267 in words is "thirty-one trillion, two hundred twelve billion, thirteen thousand, two hundred sixty-seven".