1313523315045 has 48 divisors (see below), whose sum is σ = 2396828304000. Its totient is φ = 663612808320.

The previous prime is 1313523315043. The next prime is 1313523315059. The reversal of 1313523315045 is 5405133253131.

1313523315045 is a `hidden beast` number, since 1 + 3 + 13 + 523 + 31 + 50 + 45 = 666.

It is not a de Polignac number, because 1313523315045 - 2¹ = 1313523315043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313523315043) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 9869856 + ... + 10002054.

It is an arithmetic number, because the mean of its divisors is an integer number (49933923000).

Almost surely, 2^{1313523315045} is an apocalyptic number.

1313523315045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313523315045 is a deficient number, since it is larger than the sum of its proper divisors (1083304988955).

1313523315045 is a wasteful number, since it uses less digits than its factorization.

1313523315045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143850 (or 143847 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 1313523315045 its reverse (5405133253131), we get a palindrome (6718656568176).

The spelling of 1313523315045 in words is "one trillion, three hundred thirteen billion, five hundred twenty-three million, three hundred fifteen thousand, forty-five".