211031012004 has 48 divisors (see below), whose sum is σ = 504886265856. Its totient is φ = 68572660000.

The previous prime is 211031011987. The next prime is 211031012009. The reversal of 211031012004 is 400210130112.

It is not an unprimeable number, because it can be changed into a prime (211031012009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603792 + ... + 886919.

It is an arithmetic number, because the mean of its divisors is an integer number (10518463872).

Almost surely, 2^211031012004 is an apocalyptic number.

It is an amenable number.

211031012004 is an abundant number, since it is smaller than the sum of its proper divisors (293855253852).

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

211031012004 is a wasteful number, since it uses less digits than its factorization.

211031012004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491016 (or 1491014 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 211031012004 its reverse (400210130112), we get a palindrome (611241142116).

The spelling of 211031012004 in words is "two hundred eleven billion, thirty-one million, twelve thousand, four".