211403141340 has 48 divisors (see below), whose sum is σ = 593624925600. Its totient is φ = 56212634880.

The previous prime is 211403141273. The next prime is 211403141347. The reversal of 211403141340 is 43141304112.

It is a self number, because there is not a number n which added to its sum of digits gives 211403141340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211403141347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5026891 + ... + 5068770.

It is an arithmetic number, because the mean of its divisors is an integer number (12367185950).

Almost surely, 2^211403141340 is an apocalyptic number.

211403141340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211403141340 is an abundant number, since it is smaller than the sum of its proper divisors (382221784260).

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

211403141340 is a wasteful number, since it uses less digits than its factorization.

211403141340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096022 (or 10096020 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 211403141340 its reverse (43141304112), we get a palindrome (254544445452).

The spelling of 211403141340 in words is "two hundred eleven billion, four hundred three million, one hundred forty-one thousand, three hundred forty".