1313522335542 has 32 divisors (see below), whose sum is σ = 2629789370208. Its totient is φ = 437383570176.

The previous prime is 1313522335483. The next prime is 1313522335579. The reversal of 1313522335542 is 2455332253131.

It is a self number, because there is not a number n which added to its sum of digits gives 1313522335542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23264098 + ... + 23320490.

It is an arithmetic number, because the mean of its divisors is an integer number (82180917819).

Almost surely, 2^{1313522335542} is an apocalyptic number.

1313522335542 is an abundant number, since it is smaller than the sum of its proper divisors (1316267034666).

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

1313522335542 is a wasteful number, since it uses less digits than its factorization.

1313522335542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60384.

The product of its digits is 324000, while the sum is 39.

Adding to 1313522335542 its reverse (2455332253131), we get a palindrome (3768854588673).

The spelling of 1313522335542 in words is "one trillion, three hundred thirteen billion, five hundred twenty-two million, three hundred thirty-five thousand, five hundred forty-two".