211130031300 has 36 divisors (see below), whose sum is σ = 610869558096. Its totient is φ = 56301341600.

The previous prime is 211130031263. The next prime is 211130031337. The reversal of 211130031300 is 3130031112.

It is an interprime number because it is at equal distance from previous prime (211130031263) and next prime (211130031337).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211130031300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351883086 + ... + 351883685.

It is an arithmetic number, because the mean of its divisors is an integer number (16968598836).

Almost surely, 2^211130031300 is an apocalyptic number.

211130031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211130031300 is an abundant number, since it is smaller than the sum of its proper divisors (399739526796).

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

211130031300 is a wasteful number, since it uses less digits than its factorization.

211130031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703766788 (or 703766781 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 211130031300 its reverse (3130031112), we get a palindrome (214260062412).

The spelling of 211130031300 in words is "two hundred eleven billion, one hundred thirty million, thirty-one thousand, three hundred".