1313500033332 has 18 divisors (see below), whose sum is σ = 3320236195458. Its totient is φ = 437833344432.

The previous prime is 1313500033309. The next prime is 1313500033333. The reversal of 1313500033332 is 2333300053131.

It can be written as a sum of positive squares in only one way, i.e., 989734481316 + 323765552016 = 994854^2 + 569004^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1313500033332² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313500033296 and 1313500033305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313500033333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18243055983 + ... + 18243056054.

Almost surely, 2^{1313500033332} is an apocalyptic number.

1313500033332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1313500033332 is an abundant number, since it is smaller than the sum of its proper divisors (2006736162126).

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

1313500033332 is a wasteful number, since it uses less digits than its factorization.

1313500033332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36486112047 (or 36486112042 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 27.

Adding to 1313500033332 its reverse (2333300053131), we get a palindrome (3646800086463).

The spelling of 1313500033332 in words is "one trillion, three hundred thirteen billion, five hundred million, thirty-three thousand, three hundred thirty-two".