211052031203523 has 8 divisors (see below), whose sum is σ = 281402827260688. Its totient is φ = 140701294641024.

The previous prime is 211052031203509. The next prime is 211052031203551. The reversal of 211052031203523 is 325302130250112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211052031203523 - 2⁶ = 211052031203459 is a prime.

It is a super-2 number, since 2×211052031203523² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211052031205523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5806786 + ... + 21350007.

It is an arithmetic number, because the mean of its divisors is an integer number (35175353407586).

Almost surely, 2^{211052031203523} is an apocalyptic number.

211052031203523 is a deficient number, since it is larger than the sum of its proper divisors (70350796057165).

211052031203523 is a wasteful number, since it uses less digits than its factorization.

211052031203523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29747333.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 211052031203523 its reverse (325302130250112), we get a palindrome (536354161453635).

The spelling of 211052031203523 in words is "two hundred eleven trillion, fifty-two billion, thirty-one million, two hundred three thousand, five hundred twenty-three".