211130031006 has 64 divisors (see below), whose sum is σ = 474470472960. Its totient is φ = 69586676640.

The previous prime is 211130030999. The next prime is 211130031083. The reversal of 211130031006 is 600130031112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 211130031006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1905625 + ... + 2013371.

It is an arithmetic number, because the mean of its divisors is an integer number (7413601140).

Almost surely, 2^211130031006 is an apocalyptic number.

211130031006 is an abundant number, since it is smaller than the sum of its proper divisors (263340441954).

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

211130031006 is a wasteful number, since it uses less digits than its factorization.

211130031006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108166 (or 108160 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211130031006 its reverse (600130031112), we get a palindrome (811260062118).

The spelling of 211130031006 in words is "two hundred eleven billion, one hundred thirty million, thirty-one thousand, six".