2031201111047 has 2 divisors, whose sum is σ = 2031201111048. Its totient is φ = 2031201111046.

The previous prime is 2031201111019. The next prime is 2031201111053. The reversal of 2031201111047 is 7401111021302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2031201111047 - 2¹² = 2031201106951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031201111007) 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, 1015600555523 + 1015600555524.

It is an arithmetic number, because the mean of its divisors is an integer number (1015600555524).

Almost surely, 2^{2031201111047} is an apocalyptic number.

2031201111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031201111047 is an equidigital number, since it uses as much as digits as its factorization.

2031201111047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 2031201111047 its reverse (7401111021302), we get a palindrome (9432312132349).

The spelling of 2031201111047 in words is "two trillion, thirty-one billion, two hundred one million, one hundred eleven thousand, forty-seven".