1311411130123 has 4 divisors (see below), whose sum is σ = 1311433123168. Its totient is φ = 1311389137080.

The previous prime is 1311411130067. The next prime is 1311411130147. The reversal of 1311411130123 is 3210311141131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311411130123 - 2¹³ = 1311411121931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311411130094 and 1311411130103.

It is not an unprimeable number, because it can be changed into a prime (1311411130153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10906836 + ... + 11026417.

It is an arithmetic number, because the mean of its divisors is an integer number (327858280792).

Almost surely, 2^{1311411130123} is an apocalyptic number.

1311411130123 is a deficient number, since it is larger than the sum of its proper divisors (21993045).

1311411130123 is an equidigital number, since it uses as much as digits as its factorization.

1311411130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21993044.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 1311411130123 its reverse (3210311141131), we get a palindrome (4521722271254).

The spelling of 1311411130123 in words is "one trillion, three hundred eleven billion, four hundred eleven million, one hundred thirty thousand, one hundred twenty-three".