1311300110452 has 24 divisors (see below), whose sum is σ = 2374303536360. Its totient is φ = 632935255680.

The previous prime is 1311300110437. The next prime is 1311300110513. The reversal of 1311300110452 is 2540110031131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 194634498276 + 1116665612176 = 441174^2 + 1056724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251223 + ... + 1638814.

It is an arithmetic number, because the mean of its divisors is an integer number (98929314015).

Almost surely, 2^{1311300110452} is an apocalyptic number.

It is an amenable number.

1311300110452 is a deficient number, since it is larger than the sum of its proper divisors (1063003425908).

1311300110452 is a wasteful number, since it uses less digits than its factorization.

1311300110452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896051 (or 1896049 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 1311300110452 its reverse (2540110031131), we get a palindrome (3851410141583).

The spelling of 1311300110452 in words is "one trillion, three hundred eleven billion, three hundred million, one hundred ten thousand, four hundred fifty-two".