13213312031320 has 32 divisors (see below), whose sum is σ = 29753233275600. Its totient is φ = 5281185931648.

The previous prime is 13213312031299. The next prime is 13213312031497. The reversal of 13213312031320 is 2313021331231.

It is a super-2 number, since 2×13213312031320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129288310 + ... + 129390469.

Almost surely, 2^{13213312031320} is an apocalyptic number.

13213312031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213312031320 is an abundant number, since it is smaller than the sum of its proper divisors (16539921244280).

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

13213312031320 is a wasteful number, since it uses less digits than its factorization.

13213312031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258680067 (or 258680063 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13213312031320 its reverse (2313021331231), we get a palindrome (15526333362551).

The spelling of 13213312031320 in words is "thirteen trillion, two hundred thirteen billion, three hundred twelve million, thirty-one thousand, three hundred twenty".