1111310230243 has 2 divisors, whose sum is σ = 1111310230244. Its totient is φ = 1111310230242.

The previous prime is 1111310230171. The next prime is 1111310230253. The reversal of 1111310230243 is 3420320131111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111310230243 - 2¹³ = 1111310222051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111310230253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555655115121 + 555655115122.

It is an arithmetic number, because the mean of its divisors is an integer number (555655115122).

Almost surely, 2^{1111310230243} is an apocalyptic number.

1111310230243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111310230243 is an equidigital number, since it uses as much as digits as its factorization.

1111310230243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1111310230243 its reverse (3420320131111), we get a palindrome (4531630361354).

The spelling of 1111310230243 in words is "one trillion, one hundred eleven billion, three hundred ten million, two hundred thirty thousand, two hundred forty-three".