313232313131320 has 32 divisors (see below), whose sum is σ = 768842950414320. Its totient is φ = 113902659320320.

The previous prime is 313232313131291. The next prime is 313232313131327. The reversal of 313232313131320 is 23131313232313.

It is a happy number.

It is a super-2 number, since 2×313232313131320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313232313131327) 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 7 ways as a sum of consecutive naturals, for example, 355945809937 + ... + 355945810816.

Almost surely, 2^{313232313131320} is an apocalyptic number.

It is an amenable number.

313232313131320 is an abundant number, since it is smaller than the sum of its proper divisors (455610637283000).

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

313232313131320 is a wasteful number, since it uses less digits than its factorization.

313232313131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711891620775 (or 711891620771 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 313232313131320 its reverse (23131313232313), we get a palindrome (336363626363633).

The spelling of 313232313131320 in words is "three hundred thirteen trillion, two hundred thirty-two billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred twenty".