1313554021522 has 16 divisors (see below), whose sum is σ = 2056266103680. Its totient is φ = 628139445472.

The previous prime is 1313554021519. The next prime is 1313554021567. The reversal of 1313554021522 is 2251204553131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507822 + ... + 2213737.

It is an arithmetic number, because the mean of its divisors is an integer number (128516631480).

Almost surely, 2^{1313554021522} is an apocalyptic number.

1313554021522 is a deficient number, since it is larger than the sum of its proper divisors (742712082158).

1313554021522 is a wasteful number, since it uses less digits than its factorization.

1313554021522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729257.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1313554021522 its reverse (2251204553131), we get a palindrome (3564758574653).

The spelling of 1313554021522 in words is "one trillion, three hundred thirteen billion, five hundred fifty-four million, twenty-one thousand, five hundred twenty-two".