201311302000 has 160 divisors (see below), whose sum is σ = 502334973504. Its totient is φ = 77970816000.

The previous prime is 201311301941. The next prime is 201311302001. The reversal of 201311302000 is 203113102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201311302001) 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, 15607554 + ... + 15620446.

Almost surely, 2^201311302000 is an apocalyptic number.

201311302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201311302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251167486752).

201311302000 is an abundant number, since it is smaller than the sum of its proper divisors (301023671504).

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

201311302000 is a wasteful number, since it uses less digits than its factorization.

201311302000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164 (or 13148 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 201311302000 its reverse (203113102), we get a palindrome (201514415102).

The spelling of 201311302000 in words is "two hundred one billion, three hundred eleven million, three hundred two thousand".