1331340004442 has 16 divisors (see below), whose sum is σ = 2282486107200. Its totient is φ = 570527048448.

The previous prime is 1331340004409. The next prime is 1331340004451. The reversal of 1331340004442 is 2444000431331.

It is a happy number.

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, 3761192 + ... + 4099907.

It is an arithmetic number, because the mean of its divisors is an integer number (142655381700).

Almost surely, 2^{1331340004442} is an apocalyptic number.

1331340004442 is a deficient number, since it is larger than the sum of its proper divisors (951146102758).

1331340004442 is a wasteful number, since it uses less digits than its factorization.

1331340004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873205.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1331340004442 its reverse (2444000431331), we get a palindrome (3775340435773).

The spelling of 1331340004442 in words is "one trillion, three hundred thirty-one billion, three hundred forty million, four thousand, four hundred forty-two".