211130031004 has 12 divisors (see below), whose sum is σ = 369620836200. Its totient is φ = 105524077808.

The previous prime is 211130030999. The next prime is 211130031083. The reversal of 211130031004 is 400130031112.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10222819 + ... + 10243450.

It is an arithmetic number, because the mean of its divisors is an integer number (30801736350).

Almost surely, 2^211130031004 is an apocalyptic number.

It is an amenable number.

211130031004 is a deficient number, since it is larger than the sum of its proper divisors (158490805196).

211130031004 is a wasteful number, since it uses less digits than its factorization.

211130031004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20468852 (or 20468850 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211130031004 its reverse (400130031112), we get a palindrome (611260062116).

The spelling of 211130031004 in words is "two hundred eleven billion, one hundred thirty million, thirty-one thousand, four".