2131400111 has 2 divisors, whose sum is σ = 2131400112. Its totient is φ = 2131400110.

The previous prime is 2131400083. The next prime is 2131400119. The reversal of 2131400111 is 1110041312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131400111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131400119) 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, 1065700055 + 1065700056.

It is an arithmetic number, because the mean of its divisors is an integer number (1065700056).

Almost surely, 2^2131400111 is an apocalyptic number.

2131400111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131400111 is an equidigital number, since it uses as much as digits as its factorization.

2131400111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2131400111 is about 46167.0890462026. The cubic root of 2131400111 is about 1286.9302066132.

Adding to 2131400111 its reverse (1110041312), we get a palindrome (3241441423).

The spelling of 2131400111 in words is "two billion, one hundred thirty-one million, four hundred thousand, one hundred eleven".