31055532203 has 2 divisors, whose sum is σ = 31055532204. Its totient is φ = 31055532202.

The previous prime is 31055532199. The next prime is 31055532241. The reversal of 31055532203 is 30223555013.

It is a weak prime.

It is an emirp because it is prime and its reverse (30223555013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31055532203 - 2² = 31055532199 is a prime.

It is not a weakly prime, because it can be changed into another prime (31055532103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15527766101 + 15527766102.

It is an arithmetic number, because the mean of its divisors is an integer number (15527766102).

Almost surely, 2^31055532203 is an apocalyptic number.

31055532203 is a deficient number, since it is larger than the sum of its proper divisors (1).

31055532203 is an equidigital number, since it uses as much as digits as its factorization.

31055532203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 31055532203 in words is "thirty-one billion, fifty-five million, five hundred thirty-two thousand, two hundred three".