1331312102320 has 40 divisors (see below), whose sum is σ = 3100573831824. Its totient is φ = 531617624832.

The previous prime is 1331312102311. The next prime is 1331312102333. The reversal of 1331312102320 is 232012131331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1331312102291 and 1331312102300.

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, 14127999 + ... + 14221918.

Almost surely, 2^{1331312102320} is an apocalyptic number.

1331312102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331312102320 is an abundant number, since it is smaller than the sum of its proper divisors (1769261729504).

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

1331312102320 is a wasteful number, since it uses less digits than its factorization.

1331312102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28350517 (or 28350511 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1331312102320 its reverse (232012131331), we get a palindrome (1563324233651).

The spelling of 1331312102320 in words is "one trillion, three hundred thirty-one billion, three hundred twelve million, one hundred two thousand, three hundred twenty".