1311341021034 has 16 divisors (see below), whose sum is σ = 2861107682400. Its totient is φ = 397376066960.

The previous prime is 1311341020973. The next prime is 1311341021093. The reversal of 1311341021034 is 4301201431131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1311341020995 and 1311341021013.

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, 9934401609 + ... + 9934401740.

It is an arithmetic number, because the mean of its divisors is an integer number (178819230150).

Almost surely, 2^{1311341021034} is an apocalyptic number.

1311341021034 is an abundant number, since it is smaller than the sum of its proper divisors (1549766661366).

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

1311341021034 is a wasteful number, since it uses less digits than its factorization.

1311341021034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19868803365.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1311341021034 its reverse (4301201431131), we get a palindrome (5612542452165).

The spelling of 1311341021034 in words is "one trillion, three hundred eleven billion, three hundred forty-one million, twenty-one thousand, thirty-four".