211004120211031 has 12 divisors (see below), whose sum is σ = 245699964896808. Its totient is φ = 180679269535632.

The previous prime is 211004120210999. The next prime is 211004120211043. The reversal of 211004120211031 is 130112021400112.

It is not a de Polignac number, because 211004120211031 - 2⁵ = 211004120210999 is a prime.

It is a super-2 number, since 2×211004120211031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211004120211091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2159533161 + ... + 2159630866.

It is an arithmetic number, because the mean of its divisors is an integer number (20474997074734).

Almost surely, 2^{211004120211031} is an apocalyptic number.

211004120211031 is a deficient number, since it is larger than the sum of its proper divisors (34695844685777).

211004120211031 is an equidigital number, since it uses as much as digits as its factorization.

211004120211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319165038 (or 4319165031 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211004120211031 its reverse (130112021400112), we get a palindrome (341116141611143).

The spelling of 211004120211031 in words is "two hundred eleven trillion, four billion, one hundred twenty million, two hundred eleven thousand, thirty-one".