1311413321042 has 32 divisors (see below), whose sum is σ = 2196966723840. Its totient is φ = 581987422080.

The previous prime is 1311413321039. The next prime is 1311413321047. The reversal of 1311413321042 is 2401233141131.

It is not an unprimeable number, because it can be changed into a prime (1311413321047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1127573 + ... + 1973384.

It is an arithmetic number, because the mean of its divisors is an integer number (68655210120).

Almost surely, 2^{1311413321042} is an apocalyptic number.

1311413321042 is a deficient number, since it is larger than the sum of its proper divisors (885553402798).

1311413321042 is a wasteful number, since it uses less digits than its factorization.

1311413321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101426.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1311413321042 its reverse (2401233141131), we get a palindrome (3712646462173).

The spelling of 1311413321042 in words is "one trillion, three hundred eleven billion, four hundred thirteen million, three hundred twenty-one thousand, forty-two".