201312323320 has 64 divisors (see below), whose sum is σ = 458647855200. Its totient is φ = 79516684800.

The previous prime is 201312323299. The next prime is 201312323363. The reversal of 201312323320 is 23323213102.

It is a junction number, because it is equal to n+sod(n) for n = 201312323291 and 201312323300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465422 + ... + 1596898.

Almost surely, 2^201312323320 is an apocalyptic number.

201312323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201312323320 is an abundant number, since it is smaller than the sum of its proper divisors (257335531880).

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

201312323320 is a wasteful number, since it uses less digits than its factorization.

201312323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131968 (or 131964 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 201312323320 its reverse (23323213102), we get a palindrome (224635536422).

The spelling of 201312323320 in words is "two hundred one billion, three hundred twelve million, three hundred twenty-three thousand, three hundred twenty".