1031344400111 has 2 divisors, whose sum is σ = 1031344400112. Its totient is φ = 1031344400110.

The previous prime is 1031344399951. The next prime is 1031344400117. The reversal of 1031344400111 is 1110044431301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031344400111 - 2¹⁰ = 1031344399087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031344400117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515672200055 + 515672200056.

It is an arithmetic number, because the mean of its divisors is an integer number (515672200056).

Almost surely, 2^{1031344400111} is an apocalyptic number.

1031344400111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031344400111 is an equidigital number, since it uses as much as digits as its factorization.

1031344400111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1031344400111 its reverse (1110044431301), we get a palindrome (2141388831412).

The spelling of 1031344400111 in words is "one trillion, thirty-one billion, three hundred forty-four million, four hundred thousand, one hundred eleven".