1311341432402 has 16 divisors (see below), whose sum is σ = 2007116496000. Its totient is φ = 642429312720.

The previous prime is 1311341432377. The next prime is 1311341432411. The reversal of 1311341432402 is 2042341431131.

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, 31657277 + ... + 31698672.

It is an arithmetic number, because the mean of its divisors is an integer number (125444781000).

Almost surely, 2^{1311341432402} is an apocalyptic number.

1311341432402 is a deficient number, since it is larger than the sum of its proper divisors (695775063598).

1311341432402 is a wasteful number, since it uses less digits than its factorization.

1311341432402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63356161.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1311341432402 its reverse (2042341431131), we get a palindrome (3353682863533).

The spelling of 1311341432402 in words is "one trillion, three hundred eleven billion, three hundred forty-one million, four hundred thirty-two thousand, four hundred two".