1311411330402 has 8 divisors (see below), whose sum is σ = 2622822660816. Its totient is φ = 437137110132.

The previous prime is 1311411330311. The next prime is 1311411330409. The reversal of 1311411330402 is 2040331141131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1311411330402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1311411330409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109284277528 + ... + 109284277539.

It is an arithmetic number, because the mean of its divisors is an integer number (327852832602).

Almost surely, 2^{1311411330402} is an apocalyptic number.

1311411330402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1311411330402 is a wasteful number, since it uses less digits than its factorization.

1311411330402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218568555072.

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

Adding to 1311411330402 its reverse (2040331141131), we get a palindrome (3351742471533).

The spelling of 1311411330402 in words is "one trillion, three hundred eleven billion, four hundred eleven million, three hundred thirty thousand, four hundred two".