1313313323331 has 32 divisors (see below), whose sum is σ = 1780565529600. Its totient is φ = 860852561184.

The previous prime is 1313313323291. The next prime is 1313313323341. The reversal of 1313313323331 is 1333233133131.

It is not a de Polignac number, because 1313313323331 - 2¹¹ = 1313313321283 is a prime.

It is a super-2 number, since 2×1313313323331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313313323341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398092720 + ... + 398096018.

It is an arithmetic number, because the mean of its divisors is an integer number (55642672800).

Almost surely, 2^{1313313323331} is an apocalyptic number.

1313313323331 is a deficient number, since it is larger than the sum of its proper divisors (467252206269).

1313313323331 is a wasteful number, since it uses less digits than its factorization.

1313313323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495.

The product of its digits is 13122, while the sum is 30.

Adding to 1313313323331 its reverse (1333233133131), we get a palindrome (2646546456462).

The spelling of 1313313323331 in words is "one trillion, three hundred thirteen billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred thirty-one".