211032303031123 has 4 divisors (see below), whose sum is σ = 241179774892720. Its totient is φ = 180884831169528.

The previous prime is 211032303031097. The next prime is 211032303031129. The reversal of 211032303031123 is 321130303230112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211032303031123 is a prime.

It is a super-2 number, since 2×211032303031123² (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 (211032303031129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15073735930788 + ... + 15073735930801.

It is an arithmetic number, because the mean of its divisors is an integer number (60294943723180).

Almost surely, 2^{211032303031123} is an apocalyptic number.

211032303031123 is a deficient number, since it is larger than the sum of its proper divisors (30147471861597).

211032303031123 is an equidigital number, since it uses as much as digits as its factorization.

211032303031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30147471861596.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 211032303031123 its reverse (321130303230112), we get a palindrome (532162606261235).

The spelling of 211032303031123 in words is "two hundred eleven trillion, thirty-two billion, three hundred three million, thirty-one thousand, one hundred twenty-three".