1311433313402 has 32 divisors (see below), whose sum is σ = 2028804624000. Its totient is φ = 635530272768.

The previous prime is 1311433313401. The next prime is 1311433313413. The reversal of 1311433313402 is 2043133341131.

It is not an unprimeable number, because it can be changed into a prime (1311433313401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2792474 + ... + 3228122.

It is an arithmetic number, because the mean of its divisors is an integer number (63400144500).

Almost surely, 2^{1311433313402} is an apocalyptic number.

1311433313402 is a deficient number, since it is larger than the sum of its proper divisors (717371310598).

1311433313402 is a wasteful number, since it uses less digits than its factorization.

1311433313402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436070.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 1311433313402 its reverse (2043133341131), we get a palindrome (3354566654533).

The spelling of 1311433313402 in words is "one trillion, three hundred eleven billion, four hundred thirty-three million, three hundred thirteen thousand, four hundred two".