211313112432340 has 72 divisors (see below), whose sum is σ = 452876742898272. Its totient is φ = 82818235356480.

The previous prime is 211313112432271. The next prime is 211313112432341. The reversal of 211313112432340 is 43234211313112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211313112432341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9889807 + ... + 22813033.

It is an arithmetic number, because the mean of its divisors is an integer number (6289954762476).

Almost surely, 2^{211313112432340} is an apocalyptic number.

211313112432340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211313112432340 is an abundant number, since it is smaller than the sum of its proper divisors (241563630465932).

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

211313112432340 is a wasteful number, since it uses less digits than its factorization.

211313112432340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12923525 (or 12923444 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 211313112432340 its reverse (43234211313112), we get a palindrome (254547323745452).

The spelling of 211313112432340 in words is "two hundred eleven trillion, three hundred thirteen billion, one hundred twelve million, four hundred thirty-two thousand, three hundred forty".