1311433302042 has 48 divisors (see below), whose sum is σ = 2885871538368. Its totient is φ = 430331538240.

The previous prime is 1311433302041. The next prime is 1311433302043. The reversal of 1311433302042 is 2402033341131.

It is a happy number.

1311433302042 is a `hidden beast` number, since 1 + 311 + 4 + 3 + 3 + 302 + 0 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (1311433302041) and next prime (1311433302043).

It is a junction number, because it is equal to n+sod(n) for n = 1311433301997 and 1311433302015.

It is not an unprimeable number, because it can be changed into a prime (1311433302041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266934 + ... + 1641377.

It is an arithmetic number, because the mean of its divisors is an integer number (60122323716).

Almost surely, 2^{1311433302042} is an apocalyptic number.

1311433302042 is an abundant number, since it is smaller than the sum of its proper divisors (1574438236326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311433302042 is a wasteful number, since it uses less digits than its factorization.

1311433302042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908915 (or 1908912 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1311433302042 its reverse (2402033341131), we get a palindrome (3713466643173).

The spelling of 1311433302042 in words is "one trillion, three hundred eleven billion, four hundred thirty-three million, three hundred two thousand, forty-two".