1311343035524 has 24 divisors (see below), whose sum is σ = 2395541879808. Its totient is φ = 626924295360.

The previous prime is 1311343035521. The next prime is 1311343035529. The reversal of 1311343035524 is 4255303431131.

It is not an unprimeable number, because it can be changed into a prime (1311343035521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2482532 + ... + 2964059.

It is an arithmetic number, because the mean of its divisors is an integer number (99814244992).

Almost surely, 2^{1311343035524} is an apocalyptic number.

It is an amenable number.

1311343035524 is a deficient number, since it is larger than the sum of its proper divisors (1084198844284).

1311343035524 is a wasteful number, since it uses less digits than its factorization.

1311343035524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449235 (or 5449233 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 1311343035524 its reverse (4255303431131), we get a palindrome (5566646466655).

The spelling of 1311343035524 in words is "one trillion, three hundred eleven billion, three hundred forty-three million, thirty-five thousand, five hundred twenty-four".