1011311340323 has 2 divisors, whose sum is σ = 1011311340324. Its totient is φ = 1011311340322.

The previous prime is 1011311340241. The next prime is 1011311340401. The reversal of 1011311340323 is 3230431131101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011311340323 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1011311343323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505655670161 + 505655670162.

It is an arithmetic number, because the mean of its divisors is an integer number (505655670162).

Almost surely, 2^{1011311340323} is an apocalyptic number.

1011311340323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011311340323 is an equidigital number, since it uses as much as digits as its factorization.

1011311340323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1011311340323 its reverse (3230431131101), we get a palindrome (4241742471424).

The spelling of 1011311340323 in words is "one trillion, eleven billion, three hundred eleven million, three hundred forty thousand, three hundred twenty-three".