200311221340 has 48 divisors (see below), whose sum is σ = 468839901600. Its totient is φ = 71442266112.

The previous prime is 200311221217. The next prime is 200311221353. The reversal of 200311221340 is 43122113002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 15497505 + ... + 15510424.

It is an arithmetic number, because the mean of its divisors is an integer number (9767497950).

Almost surely, 2^200311221340 is an apocalyptic number.

200311221340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200311221340 is an abundant number, since it is smaller than the sum of its proper divisors (268528680260).

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

200311221340 is a wasteful number, since it uses less digits than its factorization.

200311221340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31007974 (or 31007972 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 200311221340 its reverse (43122113002), we get a palindrome (243433334342).

The spelling of 200311221340 in words is "two hundred billion, three hundred eleven million, two hundred twenty-one thousand, three hundred forty".